{"id":53,"date":"2023-01-30T23:21:20","date_gmt":"2023-01-30T22:21:20","guid":{"rendered":"https:\/\/corot.top\/eva\/?page_id=53"},"modified":"2026-02-11T14:49:38","modified_gmt":"2026-02-11T13:49:38","slug":"accueil","status":"publish","type":"page","link":"https:\/\/corot.top\/eva\/","title":{"rendered":"Blog"},"content":{"rendered":"\n<p class=\"has-text-align-center has-primary-color has-text-color wp-block-paragraph\">Bienvenue sur mon site !<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quelques go\u00fbters scientifiques : <\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><a href=\"https:\/\/corot.top\/maths\/\">Go\u00fbter Maths\ud83c\uddeb\ud83c\uddf7<\/a> &#8211; <a href=\"https:\/\/corot.top\/snack-and-maths\/\">Snack and Maths \ud83c\uddfa\ud83c\uddf8<\/a><br><a href=\"https:\/\/corot.top\/ocean\/\">Go\u00fbter physique (de l&rsquo;oc\u00e9an)<\/a>\ud83c\uddfa\ud83c\uddf8<\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-vivid-red-color has-alpha-channel-opacity has-vivid-red-background-color has-background is-style-wide\"\/>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>Blog d&rsquo;actualit\u00e9 chronologique de mon activit\u00e9<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:0;margin-bottom:0\"\/>\n\n\n\n<div class=\"wp-block-query is-layout-flow wp-block-query-is-layout-flow\"><ul style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.682), 20px);border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-left-radius:0px;border-bottom-right-radius:0px;border-style:none;border-width:0px\" class=\"wp-block-post-template is-layout-flow wp-container-core-post-template-is-layout-fab9cca8 wp-block-post-template-is-layout-flow\"><li class=\"wp-block-post post-4440 post type-post status-publish format-standard hentry category-blog tag-biologie tag-ia tag-informatique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-19T23:10:26+02:00\">19\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=biologie\" rel=\"tag\">Biologie<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=ia\" rel=\"tag\">IA<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=informatique\" rel=\"tag\">Informatique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Homoplasie<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83e\udde0 Retour sur la conf\u00e9rence sur la \u00ab\u00a0m\u00e9canistique\u00a0\u00bb des LLM avec <a href=\"https:\/\/www.linkedin.com\/in\/david-louapre\/fr\/\"><strong>David Louapre<\/strong><\/a> \u00e0 l&rsquo;ESPCI et \ud835\uddf5\ud835\uddfc\ud835\uddfa\ud835\uddfc\ud835\uddfd\ud835\uddf9\ud835\uddee\ud835\ude00\ud835\uddf6\ud835\uddf2.<br>Organis\u00e9e la semaine derni\u00e8re (le 9 septembre) par <a href=\"https:\/\/www.linkedin.com\/in\/l-association-de-physique-de-l-espci-728136404\/\"><strong>L&rsquo;Association de Physique de l&rsquo;ESPCI<\/strong><\/a> \u00e0 l&rsquo; <a href=\"https:\/\/www.linkedin.com\/company\/ipgg\/\"><strong>Institut Pierre-Gilles de Gennes<\/strong><\/a><a href=\"https:\/\/www.linkedin.com\/school\/espci\/\"><strong>ESPCI Paris &#8211; PSL<\/strong><\/a>.<br>Il s&rsquo;agit d&rsquo;une certaine fa\u00e7on, de \u00ab\u00a0neuroscience des r\u00e9seaux de neurones\u00a0\u00bb. L&rsquo;objectif est de faire de la \u00ab\u00a0r\u00e9tro-ing\u00e9nierie\u00a0\u00bb (reverse engineering) pour comprendre comment l&rsquo;information circule dans les IA et s&rsquo;y transforme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcda \u00c0 ce sujet, David Louapre a chaudement recommand\u00e9 la lecture de l&rsquo;article de 2025 : \u00ab\u00a0On the Biology of a Large Language Model\u00a0\u00bb.<br>Les chercheurs utilisent un nouvel outil : les graphes d&rsquo;attribution.<br>\u00c0 l&rsquo;instar de la recherche de graphe d&rsquo;interaction dans les r\u00e9seaux biologiques ou les sch\u00e9mas de c\u00e2blage en neurosciences, ces graphes permettent de tracer les \u00ab\u00a0circuits\u00a0\u00bb internes et la cha\u00eene d&rsquo;\u00e9tapes interm\u00e9diaires qu&rsquo;un mod\u00e8le utilise pour transformer une question en r\u00e9ponse. ref: <a href=\"https:\/\/transformer-circuits.pub\/2025\/attribution-graphs\/biology.html\">https:\/\/transformer-circuits.pub\/2025\/attribution-graphs\/biology.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 Ma r\u00e9flexion personnelle suite \u00e0 cette conf\u00e9rence :<br>Ces travaux m&rsquo;ont inspir\u00e9 un rapprochement direct entre l&rsquo;architecture de notre cerveau, celui appris par les r\u00e9seaux de neurones, et celle de nos algorithmes informatiques. On observe une convergence fascinante que je pourrais qualifier d&rsquo;\ud835\uddf5\ud835\uddfc\ud835\uddfa\ud835\uddfc\ud835\uddfd\ud835\uddf9\ud835\uddee\ud835\ude00\ud835\uddf6\ud835\uddf2 (ou convergence ph\u00e9notypique) entre ce qu&rsquo;encode un r\u00e9seau de neurone biologique et d&rsquo;IA ou encore comment on encode les donn\u00e9es dans nos programmes. Voir illustration jointe (en mod\u00e9lisation 3D, l&rsquo;application d&rsquo;une texture repose sur le \u00ab\u00a0d\u00e9pliage\u00a0\u00bb=unwrap en coordonn\u00e9es 2D dites U et V, afin de les distinguer des coordonn\u00e9es spatiales X, Y et Z).<br>Aujourd&rsquo;hui, nous avons l&rsquo;opportunit\u00e9 de tester des hypoth\u00e8ses sur des mod\u00e8les d&rsquo;IA&#8230; pour, en retour, en apprendre davantage sur le fonctionnement de notre propre cerveau ! \ud83e\udd2f<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"571\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789419846960-1024x571.jpeg\" alt=\"\" class=\"wp-image-4441\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789419846960-1024x571.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789419846960-300x167.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789419846960-767x428.jpeg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789419846960.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4437 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-19T23:08:10+02:00\">19\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Voici le pipeline bombard\u00e9<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Il y a un mois je survolais le pipeline d&rsquo;Arabie Saoudite, pr\u00e9cis\u00e9ment au niveau de Al Mesba&rsquo;ah , l\u00e0 o\u00f9 il a \u00e9t\u00e9 bombard\u00e9 cette semaine.<br>Dans le paysage la photo montre qu&rsquo;il est facile de rep\u00e9rer la route toute droite que suit le pipeline, donc pas besoin de GPS pour frapper. <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23computervision&amp;origin=HASH_TAG_FROM_FEED\"><strong>#ComputerVision<\/strong><\/a><br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23petroline&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Petroline<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23eastwestcrudeoilpipeline&amp;origin=HASH_TAG_FROM_FEED\"><strong>#EastWestCrudeOilPipeline<\/strong><\/a> (Ol\u00e9oduc de brut Est-Ouest) <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23al_dhekra&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Al_Dhekra<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23air_india&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Air_India<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23osint&amp;origin=HASH_TAG_FROM_FEED\"><strong>#OSINT<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23geoint&amp;origin=HASH_TAG_FROM_FEED\"><strong>#GeoINT<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23saudiarabia&amp;origin=HASH_TAG_FROM_FEED\"><strong>#SaudiArabia<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23aramco&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Aramco<\/strong><\/a><br>PS la photo est jaune, car j&rsquo;avais le malheur d&rsquo;\u00eatre \u00e0 bord d&rsquo;un <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23boeing787&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Boeing787<\/strong><\/a> (dont les hublots sont jaunes).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789428970235-1024x682.jpeg\" alt=\"\" class=\"wp-image-4438\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789428970235-1024x682.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789428970235-300x200.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789428970235-767x511.jpeg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1789428970235.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4431 post type-post status-publish format-standard hentry category-blog tag-droit tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-19T23:06:24+02:00\">19\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=droit\" rel=\"tag\">Droit<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Briques cubiques europ\u00e9ennes<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Les briques de lait deviennent un peu plus cubique sous la pression de l&rsquo;Europe.<br>Ref \ud83d\udcf8#1 :<br>&#8211; Minimisation de la quantit\u00e9 d&#8217;emballage de surface pour 1L <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23go%C3%BBtermaths&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Go\u00fbterMaths<\/strong><\/a><br>&#8211; C&rsquo;est aussi plus de place en haut pour un plus grand bouchon afin de laisser l&rsquo;air entrer quand on verse<br>&#8211; Moins de pression et de contrainte car moins haut, d&rsquo;autant plus que la suppression de l&rsquo;aluminium dans l&rsquo;\u00e9paisseur du carton rend la structure moins r\u00e9sistante <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Physique<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcf8#2 Auta-t-on un jour futur une brique compl\u00e8tement cubique ?<br>\ud83d\udcf8#3 Les Kiri emball\u00e9s d&rsquo;aluminium deviendront-ils aussi cubiques comme les ap\u00e9ricubes ? \ud83e\udd2a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"495\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849406049.jpeg\" alt=\"\" class=\"wp-image-4432\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849406049.jpeg 512w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849406049-300x290.jpeg 300w\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"990\" data-id=\"4433\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849412741-1024x990.jpeg\" alt=\"\" class=\"wp-image-4433\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849412741-1024x990.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849412741-300x290.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849412741-767x742.jpeg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849412741.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"918\" data-id=\"4434\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849406437.jpeg\" alt=\"\" class=\"wp-image-4434\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849406437.jpeg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849406437-261x300.jpeg 261w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849406437-768x881.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"918\" data-id=\"4435\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849413424.jpeg\" alt=\"\" class=\"wp-image-4435\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849413424.jpeg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849413424-261x300.jpeg 261w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782849413424-768x881.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4428 post type-post status-publish format-standard hentry category-blog tag-physique tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-19T23:03:48+02:00\">19\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Les fontaines \ud835\udc41\ud835\udc4e\ud835\udc60\ud835\udc5c\ud835\udc5bi de Rome<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Voici astuce secr\u00e8te des fontaines \ud835\udc41\ud835\udc4e\ud835\udc60\ud835\udc5c\ud835\udc5bi de Rome \ud83d\udca7\ud83e\udd0c \ud83c\uddee\ud83c\uddf9<br>Ces fontaines ont toujours un petit trou sur le dessus du nez (qui leur a donn\u00e9 leur nom).<br>Quand on bouche l&rsquo;ouverture principale, l&rsquo;eau sort vers le haut. \u26f2\ufe0f Pratique pour boire. \ud83d\udc45<br>Mais en fonctionnement normal, l&rsquo;eau ne doit pas sortir par le petit trou, sinon \u00e7a suinterait.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Peut-on r\u00e9gler le syst\u00e8me pour respecter ces contraintes ? <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\"><strong>#physique<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; L&rsquo;effet Venturi &amp; l&rsquo;Inertie : L&rsquo;eau coule avec une telle vitesse vers le bas que l&rsquo;inertie l&rsquo;entra\u00eene dans le conduit principal. Ce mouvement cr\u00e9e une l\u00e9g\u00e8re d\u00e9pression (aspiration) au niveau du petit trou.<br>R\u00e9sultat ? Au lieu de fuir, le petit trou a plut\u00f4t tendance \u00e0 aspirer un peu d&rsquo;air.<br>&#8211; Tension superficielle : Elle aide \u00e0 maintenir la coh\u00e9sion du flux principal, emp\u00eachant les gouttes de s&rsquo;\u00e9chapper par le petit trou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une petite illustration dynamique : <a href=\"https:\/\/corot.top\/maths\/nasone\/inde.html\">https:\/\/corot.top\/maths\/nasone\/inde.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Application des id\u00e9es du sondage du mois dernier de <a href=\"https:\/\/www.linkedin.com\/in\/fr%C3%A9d%C3%A9ric-restagno-140b80a\/\"><strong>Fr\u00e9d\u00e9ric Restagno<\/strong><\/a> ou bon exercice de colle pour <a href=\"https:\/\/www.linkedin.com\/in\/alain-le-rille-224586292\/\"><strong>alain le rille<\/strong><\/a> ?<br>D\u00e9couvertes \u00e0 Rome je n&rsquo;en ai jamais vu ailleurs qui reprennent ce concept. En connaissez-vous ?<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"343\" height=\"294\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1778670330459.jpeg\" alt=\"\" class=\"wp-image-4429\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1778670330459.jpeg 343w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1778670330459-300x257.jpeg 300w\" sizes=\"auto, (max-width: 343px) 100vw, 343px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4424 post type-post status-publish format-standard hentry category-blog tag-ia tag-maths tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-19T23:02:14+02:00\">19\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=ia\" rel=\"tag\">IA<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Euler ou Lagrange ?<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Pour \u00e9tudier une rivi\u00e8re, on peut regarder l&rsquo;eau couler depuis un pont (vision d&rsquo;Euler) ou suivre une feuille \u00e0 la trace (vision de Lagrange).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En r\u00e9solvant le probl\u00e8me du mill\u00e9naire de Navier-Stokes, l&rsquo;IA a d\u00e9montr\u00e9 que le point de vue eul\u00e9rien seul n&rsquo;est pas suffisant : les \u00e9quations finissent par \u00ab\u00a0crasher\u00a0\u00bb dans certains cas extr\u00eames (blow-up). R\u00e9sultat : on a toujours besoin de la m\u00e9thode lagrangienne pour prendre le relais et suivre les particules ! \u269b\ufe0f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcf8 En son honneur, voici une photo prise la semaine derni\u00e8re \u00e0 Turin : la seule statue de Lagrange, pr\u00e8s de sa maison natale, avec sa plaque un peu oubli\u00e9e. \ud83c\uddee\ud83c\uddf9\ud83d\udcf8 \ud83d\udc47<br>&#8212;<br>\u00abTo continue modeling the system, one would then need to track the behaviour of each particle individually [\u2026]<br>We follow the oscillations in particle coordinates, where their phase remains fixed. A particle starting at \u2018a\u2019 has trajectory X(t,a) given by \u2202\u209cX(t,a) = u(t, X(t,a)), X(0,a) = a.<br>We write a for a physical particle label [..]&nbsp;<br>Let u be a smooth odd Euler velocity on \u211d\u00b3 \u00d7 [0, S], where 0 &lt; S \u2264 1, with pressure p, and let X(t,a) be its particle map: X\u209c(t,a) = u(t, X(t,a)), X(0,a) = a.\u00bb<br>&#8211; Citation du papier public sur la r\u00e9solution de l&rsquo;\u00e9quation d&rsquo;Euler<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"4425\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931396659-768x1024.jpeg\" alt=\"\" class=\"wp-image-4425\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931396659-768x1023.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931396659-225x300.jpeg 225w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931396659.jpeg 800w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"675\" data-id=\"4426\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931408749-1024x675.jpeg\" alt=\"\" class=\"wp-image-4426\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931408749-1024x675.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931408749-300x198.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931408749-767x506.jpeg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788931408749.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4420 post type-post status-publish format-standard hentry category-blog tag-ens tag-litteraire tag-science\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:37:46+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=ens\" rel=\"tag\">ENS<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=litteraire\" rel=\"tag\">Litt\u00e9raire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=science\" rel=\"tag\">Science<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Danse de rentr\u00e9e \u00c9NS<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Voici la danse de rentr\u00e9e de la promotion 2026 de l&rsquo;<a href=\"https:\/\/www.linkedin.com\/company\/ecolenormalesuperieure\/\">\u00c9cole normale sup\u00e9rieure<\/a> &#8211; <a href=\"https:\/\/www.linkedin.com\/company\/universit%C3%A9-psl\/\">Universit\u00e9 PSL<\/a> :<br>Bonne rentr\u00e9e \u00e0 tout le monde !<br><br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23perspective&amp;origin=HASH_TAG_FROM_FEED\">#perspective<\/a> Le trap\u00e8ze va-t-il devenir un rectangle ? \ud83e\udd2f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"449\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788852937505.gif\" alt=\"\" class=\"wp-image-4421\"\/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4417 post type-post status-publish format-standard hentry category-blog tag-litteraire tag-livre tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:36:52+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=litteraire\" rel=\"tag\">Litt\u00e9raire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=livre\" rel=\"tag\">Livre<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">D\u0332e\u0332 \u0332l\u0332\u2019\u0332a\u0332u\u0332t\u0332r\u0332e\u0332 \u0332c\u0332\u00f4\u0332t\u0332\u00e9\u0332 \u0332d\u0332u\u0332 \u0332t\u0332a\u0332b\u0332l\u0332e\u0332a\u0332u\u0332 \u0332n\u0332o\u0332i\u0332r\u0332<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\"> J\u2019y retrouve bien l\u00e0 le cours d&rsquo;Emmanuel Sander (mon prof \u00e0 Gen\u00e8ve) avec ses foisonnantes anecdotes historiques et les r\u00e9sultats de psychologie exp\u00e9rimentale.<br>Et de l\u2019autre c\u00f4t\u00e9, le fervent t\u00e9moignage gourmand d\u2019Hugo Duminil-Copin, jusqu\u2019\u00e0 son moment eur\u00eaka pendant qu\u2019il nageait \u00e0 la plage, aboutissement d\u2019une longue pr\u00e9paration ! \ud83c\udfd6\ufe0f<br>Une invitation \u00e0 d\u00e9couvrir comment \u00ab\ud835\udc5c\ud835\udc5b \ud835\udc54\ud835\udc5c\u00fb\ud835\udc61\ud835\udc4e\ud835\udc56\ud835\udc61 \ud835\udc59\ud835\udc52\ud835\udc60 \ud835\udc5a\ud835\udc4e\ud835\udc61\u210e\u00e9\ud835\udc5a\ud835\udc4e\ud835\udc61\ud835\udc56\ud835\udc5e\ud835\udc62\ud835\udc52\ud835\udc60\u00bb et \u00e0 \u00ab\ud835\udc52\ud835\udc5b\ud835\udc61\ud835\udc5f\ud835\udc52\ud835\udc61\ud835\udc52\ud835\udc5b\ud835\udc56\ud835\udc5f \ud835\udc50\ud835\udc52 \ud835\udc54\ud835\udc5c\u00fb\ud835\udc61\u00bb.<br><br>Autre citation :<br>\u00ab A\ud835\udc59\ud835\udc5c\ud835\udc5f\ud835\udc60 \ud835\udc5e\ud835\udc62\u2019\ud835\udc3b\ud835\udc62\ud835\udc54\ud835\udc5c \ud835\udc60\ud835\udc52 \ud835\udc51\u00e9\ud835\udc61\ud835\udc52\ud835\udc5b\ud835\udc51 \ud835\udc5d\ud835\udc4e\ud835\udc5f\ud835\udc5a\ud835\udc56 \ud835\udc59\ud835\udc52\ud835\udc60 \ud835\udc63\ud835\udc4e\ud835\udc54\ud835\udc62\ud835\udc52\ud835\udc60 \ud835\udc51\ud835\udc62 \ud835\udc4f\ud835\udc5c\ud835\udc5f\ud835\udc51 \ud835\udc51\ud835\udc52 \ud835\udc5a\ud835\udc52\ud835\udc5f, \ud835\udc56\ud835\udc59 \ud835\udc4e \ud835\udc60\ud835\udc5c\ud835\udc62\ud835\udc51\ud835\udc4e\ud835\udc56\ud835\udc5b \ud835\udc62\ud835\udc5b\ud835\udc52 \ud835\udc5f\u00e9\ud835\udc63\u00e9\ud835\udc59\ud835\udc4e\ud835\udc61\ud835\udc56\ud835\udc5c\ud835\udc5b \ud835\udc5f\ud835\udc52\ud835\udc5b\ud835\udc63\ud835\udc52\ud835\udc5f\ud835\udc60\ud835\udc4e\ud835\udc5b\ud835\udc61\ud835\udc52. \ud835\udc38\ud835\udc61 \ud835\udc60\ud835\udc56 \ud835\udc59\ud835\udc4e \ud835\udc5a\u00e9\ud835\udc61\u210e\ud835\udc5c\ud835\udc51\ud835\udc52 \ud835\udc51\u00e9\ud835\udc63\ud835\udc52\ud835\udc59\ud835\udc5c\ud835\udc5d\ud835\udc5d\u00e9\ud835\udc52 \ud835\udc5d\ud835\udc5c\ud835\udc62\ud835\udc5f \ud835\udc59\u2019\ud835\udc5c\ud835\udc4f\ud835\udc60\ud835\udc52\ud835\udc5f\ud835\udc63\ud835\udc4e\ud835\udc4f\ud835\udc59\ud835\udc52 \ud835\udc5d\ud835\udc4e\ud835\udc5f\ud835\udc4e\ud835\udc53\ud835\udc52\ud835\udc5f\ud835\udc5a\ud835\udc56\ud835\udc5c\ud835\udc5b\ud835\udc56\ud835\udc5e\ud835\udc62\ud835\udc52 \ud835\udc51\ud835\udc4e\ud835\udc5b\ud835\udc60 \ud835\udc59\ud835\udc52 \ud835\udc50\ud835\udc4e\ud835\udc51\ud835\udc5f\ud835\udc52 \ud835\udc51\ud835\udc52 \ud835\udc59\ud835\udc4e \ud835\udc5d\ud835\udc52\ud835\udc5f\ud835\udc50\ud835\udc5c\ud835\udc59\ud835\udc4e\ud835\udc61\ud835\udc56\ud835\udc5c\ud835\udc5b \u00e9\ud835\udc61\ud835\udc4e\ud835\udc56\ud835\udc61 \ud835\udc4e\ud835\udc5d\ud835\udc5d\ud835\udc59\ud835\udc56\ud835\udc5e\ud835\udc62\u00e9\ud835\udc52 \ud835\udc5b\ud835\udc5c\ud835\udc5b \ud835\udc5d\ud835\udc4e\ud835\udc60 \u00e0 \ud835\udc50\ud835\udc52\ud835\udc59\ud835\udc59\ud835\udc52-\ud835\udc50\ud835\udc56, \ud835\udc5a\ud835\udc4e\ud835\udc56\ud835\udc60 \ud835\udc4e\ud835\udc62\ud835\udc65 \ud835\udc50\u210e\ud835\udc52\ud835\udc5a\ud835\udc56\ud835\udc5b\ud835\udc60 \ud835\udc4e\ud835\udc62\ud835\udc61\ud835\udc5c-\u00e9\ud835\udc63\ud835\udc56\ud835\udc61\ud835\udc4e\ud835\udc5b\ud835\udc61\ud835\udc60 ? \ud835\udc44\ud835\udc62\ud835\udc52 \ud835\udc51\ud835\udc5c\ud835\udc5b\ud835\udc5b\ud835\udc52\ud835\udc5f\ud835\udc4e\ud835\udc56\ud835\udc61 \ud835\udc59\ud835\udc4e \ud835\udc5a\u00ea\ud835\udc5a\ud835\udc52 \ud835\udc56\ud835\udc51\u00e9\ud835\udc52 ?<br>\ud835\udc38\ud835\udc5b \ud835\udc62\ud835\udc5b \u00e9\ud835\udc50\ud835\udc59\ud835\udc4e\ud835\udc56\ud835\udc5f, \ud835\udc61\ud835\udc5c\ud835\udc62\ud835\udc61 \ud835\udc51\ud835\udc52\ud835\udc63\ud835\udc56\ud835\udc52\ud835\udc5b\ud835\udc61 \ud835\udc4e\ud835\udc62\ud835\udc60\ud835\udc60\ud835\udc56 \ud835\udc59\ud835\udc56\ud835\udc5a\ud835\udc5d\ud835\udc56\ud835\udc51\ud835\udc52 \ud835\udc51\ud835\udc4e\ud835\udc5b\ud835\udc60 \ud835\udc60\ud835\udc5c\ud835\udc5b \ud835\udc52\ud835\udc60\ud835\udc5d\ud835\udc5f\ud835\udc56\ud835\udc61 \ud835\udc5e\ud835\udc62\ud835\udc52 \ud835\udc59\u2019\ud835\udc52\ud835\udc4e\ud835\udc62 \ud835\udc51\ud835\udc4e\ud835\udc5b\ud835\udc60 \ud835\udc59\ud835\udc4e\ud835\udc5e\ud835\udc62\ud835\udc52\ud835\udc59\ud835\udc59\ud835\udc52 \ud835\udc56\ud835\udc59 \ud835\udc60\ud835\udc52 \ud835\udc4f\ud835\udc4e\ud835\udc56\ud835\udc54\ud835\udc5b\ud835\udc52&#8230; \ud835\udc41\ud835\udc62\ud835\udc59 \ud835\udc4f\ud835\udc52\ud835\udc60\ud835\udc5c\ud835\udc56\ud835\udc5b \ud835\udc51\ud835\udc52 \ud835\udc5d\ud835\udc4e\ud835\udc5d\ud835\udc56\ud835\udc52\ud835\udc5f, \ud835\udc51\ud835\udc52 \ud835\udc61\ud835\udc4e\ud835\udc4f\ud835\udc59\ud835\udc52\ud835\udc4e\ud835\udc62 \ud835\udc5b\ud835\udc5c\ud835\udc56\ud835\udc5f, \ud835\udc51\u2019\ud835\udc5c\ud835\udc5f\ud835\udc51\ud835\udc56\ud835\udc5b\ud835\udc4e\ud835\udc61\ud835\udc52\ud835\udc62\ud835\udc5f [\u2026]<br>\ud835\udc3f\u2019\ud835\udc52\ud835\udc60\ud835\udc5d\ud835\udc5f\ud835\udc56\ud835\udc61 \ud835\udc51\u2019\ud835\udc3b\ud835\udc62\ud835\udc54\ud835\udc5c \ud835\udc63\ud835\udc4e\ud835\udc50\ud835\udc56\ud835\udc59\ud835\udc59\ud835\udc52 \ud835\udc60\ud835\udc5c\ud835\udc62\ud835\udc60 \ud835\udc59\ud835\udc52 \ud835\udc50\u210e\ud835\udc5c\ud835\udc50. \ud835\udc3f\u2019\ud835\udc56\ud835\udc51\u00e9\ud835\udc52 \ud835\udc5d\ud835\udc4e\ud835\udc5f\ud835\udc4e\u00ee\ud835\udc61 \ud835\udc5a\ud835\udc4e\ud835\udc56\ud835\udc5b\ud835\udc61\ud835\udc52\ud835\udc5b\ud835\udc4e\ud835\udc5b\ud835\udc61 \ud835\udc60\ud835\udc56 \u00e9\ud835\udc63\ud835\udc56\ud835\udc51\ud835\udc52\ud835\udc5b\ud835\udc61\ud835\udc52&#8230; \ud835\udc38\ud835\udc5b \ud835\udc5b\ud835\udc4e\ud835\udc54\ud835\udc52\ud835\udc4e\ud835\udc5b\ud835\udc61 \ud835\udc59\ud835\udc52\ud835\udc60 \ud835\udc5e\ud835\udc62\ud835\udc52\ud835\udc59\ud835\udc5e\ud835\udc62\ud835\udc52\ud835\udc60 \ud835\udc5a\u00e8\ud835\udc61\ud835\udc5f\ud835\udc52\ud835\udc60 \ud835\udc5e\ud835\udc62\ud835\udc56 \ud835\udc59\ud835\udc52 \ud835\udc60\u00e9\ud835\udc5d\ud835\udc4e\ud835\udc5f\ud835\udc52\ud835\udc5b\ud835\udc61 \ud835\udc51\ud835\udc52 \ud835\udc59\ud835\udc4e \ud835\udc5f\ud835\udc56\ud835\udc63\ud835\udc52, \ud835\udc62\ud835\udc5b\ud835\udc52 \ud835\udc60\ud835\udc52\ud835\udc50\ud835\udc5c\ud835\udc5b\ud835\udc51\ud835\udc52 \ud835\udc5f\u00e9\ud835\udc63\u00e9\ud835\udc59\ud835\udc4e\ud835\udc61\ud835\udc56\ud835\udc5c\ud835\udc5b \ud835\udc60\ud835\udc52 \ud835\udc53\ud835\udc5f\ud835\udc4e\ud835\udc66\ud835\udc52 \ud835\udc62\ud835\udc5b \ud835\udc50\u210e\ud835\udc52\ud835\udc5a\ud835\udc56\ud835\udc5b \ud835\udc51\ud835\udc4e\ud835\udc5b\ud835\udc60 \ud835\udc60\ud835\udc5c\ud835\udc5b \ud835\udc52\ud835\udc60\ud835\udc5d\ud835\udc5f\ud835\udc56\ud835\udc61. \ud835\udc48\ud835\udc5b\ud835\udc52 \ud835\udc4e\ud835\udc62\ud835\udc61\ud835\udc5f\ud835\udc52 \ud835\udc62\ud835\udc61\ud835\udc56\ud835\udc59\ud835\udc56\ud835\udc60\ud835\udc4e\ud835\udc61\ud835\udc56\ud835\udc5c\ud835\udc5b \ud835\udc51\ud835\udc52 \ud835\udc59\u2019\u00e9\ud835\udc5e\ud835\udc62\ud835\udc4e\ud835\udc61\ud835\udc56\ud835\udc5c\ud835\udc5b \ud835\udc5a\ud835\udc4e\u00ee\ud835\udc61\ud835\udc5f\ud835\udc52\ud835\udc60\ud835\udc60\ud835\udc52 \ud835\udc5d\ud835\udc52\ud835\udc5f\ud835\udc5a\ud835\udc52\ud835\udc61 \ud835\udc51\ud835\udc52 \ud835\udc5a\ud835\udc5c\ud835\udc5b\ud835\udc61\ud835\udc5f\ud835\udc52\ud835\udc5f \ud835\udc5e\ud835\udc62\ud835\udc52 \ud835\udc59\ud835\udc52 \ud835\udc5b\ud835\udc5c\ud835\udc5a\ud835\udc4f\ud835\udc5f\ud835\udc52 \ud835\udc51\ud835\udc52 \ud835\udc5d\ud835\udc5c\ud835\udc5b\ud835\udc61\ud835\udc60 \ud835\udc4e\ud835\udc62\ud835\udc61\ud835\udc5c-\u00e9\ud835\udc63\ud835\udc56\ud835\udc61\ud835\udc4e\ud835\udc5b\ud835\udc61\ud835\udc60 \ud835\udc5b\ud835\udc52 \ud835\udc5d\ud835\udc52\ud835\udc62\ud835\udc61 \ud835\udc5d\ud835\udc4e\ud835\udc60 \ud835\udc5b\ud835\udc5c\ud835\udc5b \ud835\udc5d\ud835\udc59\ud835\udc62\ud835\udc60 \u00ea\ud835\udc61\ud835\udc5f\ud835\udc52 \ud835\udc61\ud835\udc5f\ud835\udc5c\ud835\udc5d \ud835\udc5d\ud835\udc52\ud835\udc61\ud835\udc56\ud835\udc61, \ud835\udc50\ud835\udc52 \ud835\udc5e\ud835\udc62\ud835\udc56 \ud835\udc56\ud835\udc5a\ud835\udc5d\ud835\udc59\ud835\udc56\ud835\udc5e\ud835\udc62\ud835\udc52 \ud835\udc5e\ud835\udc62\ud835\udc52 \ud835\udc59\ud835\udc4e \ud835\udc63\ud835\udc56\ud835\udc61\ud835\udc52\ud835\udc60\ud835\udc60\ud835\udc52 \ud835\udc51\ud835\udc52 \ud835\udc50\ud835\udc5f\ud835\udc5c\ud835\udc56\ud835\udc60\ud835\udc60\ud835\udc4e\ud835\udc5b\ud835\udc50\ud835\udc52 \ud835\udc51\ud835\udc62 \ud835\udc5b\ud835\udc5c\ud835\udc5a\ud835\udc4f\ud835\udc5f\ud835\udc52 \ud835\udc51\ud835\udc52 \ud835\udc50\u210e\ud835\udc52\ud835\udc5a\ud835\udc56\ud835\udc5b\ud835\udc60 \ud835\udc4e\ud835\udc62\ud835\udc61\ud835\udc5c-\u00e9\ud835\udc63\ud835\udc56\ud835\udc61\ud835\udc4e\ud835\udc5b\ud835\udc61\ud835\udc60 \ud835\udc5b\ud835\udc52 \ud835\udc5d\ud835\udc52\ud835\udc62\ud835\udc61 \u00ea\ud835\udc61\ud835\udc5f\ud835\udc52 \ud835\udc60\ud835\udc61\ud835\udc5f\ud835\udc56\ud835\udc50\ud835\udc61\ud835\udc52\ud835\udc5a\ud835\udc52\ud835\udc5b\ud835\udc61 \ud835\udc56\ud835\udc5b\ud835\udc53\u00e9\ud835\udc5f\ud835\udc56\ud835\udc52\ud835\udc62\ud835\udc5f\ud835\udc52 \u00e0 \u221a(2+\u221a2). \u00bb<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"881\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788690165376.jpg\" alt=\"\" class=\"wp-image-4418\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788690165376.jpg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788690165376-272x300.jpg 272w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788690165376-767x845.jpg 767w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4413 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:36:08+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">G\u00e9osciences en TGV Nice Paris [7\/x]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Faisons des g\u00e9osciences depuis le TGV Nice-Paris [7\/x] \ud83d\ude82 \ud83c\udf0d<br>La cha\u00eene de l&rsquo;\u00c9toile et son sommet embl\u00e9matique, le Pilon du Roi (710 m), qui ressemble \u00e0 une molaire de calcaire dress\u00e9e vers le ciel. \u26f0\ufe0f\ud83e\uddb7<br><br>Ce paysage est le r\u00e9sultat d&rsquo;un immense accident tectonique : un chevauchement majeur.<br>\u00c0 l&rsquo;origine (il y a environ 40 millions d&rsquo;ann\u00e9es), lors de la collision qui a cr\u00e9\u00e9 les Pyr\u00e9n\u00e9es et les Alpes, la Provence a \u00e9t\u00e9 intens\u00e9ment comprim\u00e9e du Sud vers le Nord.<br>Le massif de l&rsquo;\u00c9toile n&rsquo;est pas n\u00e9s l\u00e0 o\u00f9 ils se trouve aujourd&rsquo;hui ! Il se situait bien plus au sud (au niveau de l&rsquo;actuelle baie de Marseille).<br>Sous la pression, la roche s&rsquo;est cass\u00e9e. Des blocs de calcaires g\u00e9ants de plusieurs kilom\u00e8tres de long ont \u00e9t\u00e9 pouss\u00e9s et ont gliss\u00e9 vers le nord, grimpant litt\u00e9ralement par-dessus les terrains plus jeunes (les terrains \u00e9oc\u00e8nes).<br><br>C&rsquo;est l&rsquo;ancienne ligne de front d&rsquo;une collision continentale, o\u00f9 des montagnes enti\u00e8res ont migr\u00e9 sur des kilom\u00e8tres pour venir s&#8217;empiler les unes sur les autres ! \ud83e\udd2f<br>  <br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23geosciences&amp;origin=HASH_TAG_FROM_FEED\">#Geosciences<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23marseille&amp;origin=HASH_TAG_FROM_FEED\">#Marseille<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23aixenprovence&amp;origin=HASH_TAG_FROM_FEED\">#AixEnProvence<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23geologie&amp;origin=HASH_TAG_FROM_FEED\">#Geologie<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23tgvgeology&amp;origin=HASH_TAG_FROM_FEED\">#TGVGeology<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23pilonduroi&amp;origin=HASH_TAG_FROM_FEED\">#PilonDuRoi<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23tectonique&amp;origin=HASH_TAG_FROM_FEED\">#Tectonique<\/a><br>Le massif a aussi \u00e9t\u00e9 peint par Paul C\u00e9zanne.<br><br>Photo prise depuis le train.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"882\" height=\"256\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290082450.jpg\" alt=\"\" class=\"wp-image-4414\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290082450.jpg 882w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290082450-300x87.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290082450-765x222.jpg 765w\" sizes=\"auto, (max-width: 882px) 100vw, 882px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"825\" data-id=\"4415\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290081811-1024x825.jpg\" alt=\"\" class=\"wp-image-4415\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290081811-1024x825.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290081811-300x242.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290081811-768x618.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783290081811.jpg 1232w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4409 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-physique tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:34:54+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">G\u00e9osciences en TGV Nice Paris [6\/x]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Faisons des g\u00e9osciences depuis le TGV Nice-Paris [6\/x] \ud83d\ude82 \ud83c\udf0d<br>Le Stade de Marseille est un gigantesque r\u00e9cup\u00e9rateur de gouttes de pluie avec une technique tr\u00e8s originale. <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\">#Physique<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23bernoulli&amp;origin=HASH_TAG_FROM_FEED\">#Bernoulli<\/a><br><br>Le stade recycle 17 000 m\u00b3 d&rsquo;eau par an avec son toit de de 65 000 m\u00b2 .<br>Mais comment faire descendre des tonnes d&rsquo;eau d&rsquo;un toit ondul\u00e9 de 60 m\u00e8tres de haut sans installer des milliers de goutti\u00e8res g\u00e9antes ?<br>C&rsquo;est l\u00e0 que la <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\">#physique<\/a> des fluides s&rsquo;invite : le toit est \u00e9quip\u00e9 de bondes ultra-plates ferm\u00e9es sur le dessus L&rsquo;eau ne passe que sur le pourtour. D\u00e8s qu&rsquo;il pleut, un mince film d&rsquo;eau recouvre l&rsquo;ouverture. L&rsquo;air ne peut plus entrer dans les canalisations.<br>Priv\u00e9e d\u2019air, l\u2019eau qui commence \u00e0 tomber dans les colonnes verticales cr\u00e9e un vide derri\u00e8re elle. Par simple diff\u00e9rence de pression, elle \u00ab\u00a0aspire\u00a0\u00bb litt\u00e9ralement l&rsquo;eau rest\u00e9e en haut !<br>R\u00e9sultat, l&rsquo;eau est \u00e9vacu\u00e9e \u00e0 toute vitesse \u00e0 travers des tuyaux tr\u00e8s fins, qui peuvent m\u00eame courir \u00e0 l&rsquo;horizontale sous la structure.<br>Cette eau est stock\u00e9e puis r\u00e9utilis\u00e9e pour arroser la pelouse et alimenter les sanitaires. \ud83c\udfdf\ufe0f\ud83d\udca7<br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23geosciences&amp;origin=HASH_TAG_FROM_FEED\">#Geosciences<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23hydrologie&amp;origin=HASH_TAG_FROM_FEED\">#Hydrologie<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23marseille&amp;origin=HASH_TAG_FROM_FEED\">#Marseille<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\">#Physique<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23bernoulli&amp;origin=HASH_TAG_FROM_FEED\">#Bernoulli<\/a><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-4 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"661\" data-id=\"4411\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271910172-1024x661.jpg\" alt=\"\" class=\"wp-image-4411\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271910172-1024x661.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271910172-300x193.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271910172-767x495.jpg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271910172.jpg 1350w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"856\" height=\"530\" data-id=\"4410\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271909263.jpg\" alt=\"\" class=\"wp-image-4410\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271909263.jpg 856w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271909263-300x186.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788271909263-767x475.jpg 767w\" sizes=\"auto, (max-width: 856px) 100vw, 856px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4405 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:33:34+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">G\u00e9osciences en TGV Nice Paris [5\/x]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Faisons des g\u00e9osciences depuis le TGV Nice-Paris [5\/x] \ud83d\ude82 \ud83c\udf0d<br>Avant l\u2019arriv\u00e9e en gare de Marseille Saint-Charles, vous ne pouvez pas rater ce clin d\u2019\u0153il hollywoodien : les lettres g\u00e9antes \u00ab MARSEILLE \u00bb (install\u00e9es par Netflix en 2016). \ud83c\udfac<br>Mais pour un \u0153il de g\u00e9ologue, le vrai spectacle est juste en dessous ! \ud83e\uddf1\ud83d\udc47<br>Regardez cette terre intens\u00e9ment rouge et ces b\u00e2timents industriels au premier plan. C&rsquo;est les Tuileries de Monier, dernier bastion d\u2019une immense histoire industrielle et g\u00e9ologique : celle de la c\u00e9l\u00e8bre \ud835\udde7\ud835\ude02\ud835\uddf6\ud835\uddf9\ud835\uddf2 \ud835\uddf1\ud835\uddf2 \ud835\udde0\ud835\uddee\ud835\uddff\ud835\ude00\ud835\uddf2\ud835\uddf6\ud835\uddf9\ud835\uddf9\ud835\uddf2, export\u00e9e autrefois dans le monde entier.<br><br>Nous sommes dans une cuvette entour\u00e9e de collines calcaires blanche o\u00f9 sont implant\u00e9es les lettres. Il y a \ud835\udfef\ud835\udfec \ud835\uddfa\ud835\uddf6\ud835\uddf9\ud835\uddf9\ud835\uddf6\ud835\uddfc\ud835\uddfb\ud835\ude00 \ud835\uddf1\u2019\ud835\uddee\ud835\uddfb\ud835\uddfb\ud835\uddf2\u0301\ud835\uddf2\ud835\ude00, les fleuves y d\u00e9posent des s\u00e9diments qui forment aujourd&rsquo;hui un \u00e9norme gisement d&rsquo;\ud835\uddee\ud835\uddff\ud835\uddf4\ud835\uddf6\ud835\uddf9\ud835\uddf2\ud835\ude00 et de \ud835\uddfa\ud835\uddee\ud835\uddff\ud835\uddfb\ud835\uddf2\ud835\ude00 \ud835\uddff\ud835\uddfc\ud835\ude02\ud835\uddf4\ud835\uddf2\ud835\ude00 sous les voies du train. Cette argile poss\u00e8de une plasticit\u00e9 et une cuisson parfaites pour faire des tuiles et des briques ultra-r\u00e9sistantes.<br><br>D&rsquo;o\u00f9 vient ce rouge \u00ab\u00a0rouille\u00a0\u00bb si intense ? \ud83e\uddea\ud83c\udf34 Il y a 30 millions d&rsquo;ann\u00e9es, la Provence vivait sous un climat \ud835\ude01\ud835\uddff\ud835\uddfc\ud835\uddfd\ud835\uddf6\ud835\uddf0\ud835\uddee\ud835\uddf9 tr\u00e8s humide, digne de la jungle amazonienne ! Les pluies diluviennes ont attaqu\u00e9 les montagnes environnantes qui contenaient du \ud835\uddf3\ud835\uddf2\ud835\uddff (h\u00e9rit\u00e9 de vieux massifs et de volcans encore plus anciens comme l&rsquo;Est\u00e9rel vu dans un post pr\u00e9c\u00e9dent). Sous cette chaleur humide, le fer a \ud835\uddff\ud835\uddfc\ud835\ude02\ud835\uddf6\ud835\uddf9\ud835\uddf9\ud835\uddf2\u0301 sur place. Les rivi\u00e8res ont ensuite transport\u00e9 cette boue de rouille pour la stocker au fond de la cuvette marseillaise.<br><br>R\u00e9sultat : de la poussi\u00e8re de montagne qui a rouill\u00e9 sous les tropiques, d\u00e9pos\u00e9e au pied d&rsquo;un rempart de calcaire blanc. C&rsquo;est cette anomalie qui a permis \u00e0 Marseille de couvrir les toits de millions de maisons, de la Provence jusqu\u2019\u00e0 l&rsquo;Am\u00e9rique du Sud et l&rsquo;Asie ! \u2026 gr\u00e2ce \u00e0 la jungle et des volcans. \ud83e\uddf1 l\ud83c\udf34<br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23geosciences&amp;origin=HASH_TAG_FROM_FEED\">#Geosciences<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23marseille&amp;origin=HASH_TAG_FROM_FEED\">#Marseille<\/a><br><br>Photo prise depuis le train.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-5 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"4407\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270257517-1024x683.jpg\" alt=\"\" class=\"wp-image-4407\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270257517-1024x683.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270257517-300x200.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270257517-1536x1024.jpg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270257517-767x511.jpg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270257517.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" data-id=\"4406\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270258086-1024x683.jpg\" alt=\"\" class=\"wp-image-4406\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270258086-1024x683.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270258086-300x200.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270258086-767x511.jpg 767w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270258086-1536x1024.jpg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1788270258086.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4402 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:32:35+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">G\u00e9osciences en TGV Nice Paris [4\/x]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Faisons des g\u00e9osciences depuis le TGV Nice-Paris [4\/x] \ud83d\ude82 \ud83c\udf0d<br>Les roches du massif des Maures, qui dorment sous le massif volcanique rouge de l&rsquo;Est\u00e9rel (que nous avons vu dans les pr\u00e9c\u00e9dents posts), font surface ici au Mont Fenouillet, surmont\u00e9 d&rsquo;une croix. Ce vieux socle a 400 millions d&rsquo;ann\u00e9es.<br><br>Mais comment en conna\u00eet-on l&rsquo;\u00e2ge ? On y a d\u00e9couvert des fossiles de graptolites. Ces petits animaux marins coloniaux (qui rappellent un peu des coraux miniatures capables de flotter) vivaient dans tous les oc\u00e9ans, avant de dispara\u00eetre de la surface du globe il y a environ 300 millions d&rsquo;ann\u00e9es.<br>Partout ailleurs, ce massif des Maures, enfoui \u00e0 une dizaine de kilom\u00e8tre de profondeur puis remont\u00e9 aujourd&rsquo;hui \u00e0 quelques centaine de m\u00e8tre sous le massif d&rsquo;Est\u00e9rel, a cuit avec la chaleur et la pression. La roche s&rsquo;est transform\u00e9e et les traces de fossiles ont disparu. Sauf ici.<br><br>Tous disparus aujourd&rsquo;hui ? Pas tout \u00e0 fait ! \ud83d\udc19 En 1989, une esp\u00e8ce vivante a \u00e9t\u00e9 p\u00each\u00e9e au large de l&rsquo;\u00eele de Lifou, en Nouvelle-Cal\u00e9donie (Cephalodiscus graptolitoides). Elle est consid\u00e9r\u00e9e comme un cousin tr\u00e8s proche, une sorte de \u00ab\u00a0descendant direct\u00a0\u00bb de nos graptolites.<br><br>Voici donc une capsule temporelle sous nos pieds, et un survivant \u00e0 l&rsquo;autre bout du monde ! \ud83c\udf0d<br><br>Photo prise depuis le train.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"896\" height=\"931\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783244678568.jpg\" alt=\"\" class=\"wp-image-4403\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783244678568.jpg 896w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783244678568-289x300.jpg 289w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783244678568-768x798.jpg 768w\" sizes=\"auto, (max-width: 896px) 100vw, 896px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4395 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:30:45+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">G\u00e9osciences en TGV Nice-Paris [2\/x]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Faisons des g\u00e9osciences depuis le TGV Nice Paris [2\/x] \ud83d\ude82 \ud83c\udf0d<br>La plus grande extinction qu&rsquo;a connue la Terre \ud83c\udf0d est visible ici, bien plus importante que la m\u00e9t\u00e9orite qui a tu\u00e9 les dinosaures: c&rsquo;est l&rsquo;extinction du Permien-Trias avec la disparition de 95 % des esp\u00e8ces marines et 70 % des animaux terrestres.<br><br>Mais comment le climat a-t-il pu basculer \u00e0 ce point ?<br><br>\ud83d\udd25 Le d\u00e9cor avant le drame : Un immense d\u00e9sert. \u00c0 l&rsquo;\u00e9poque, il n&rsquo;y a qu&rsquo;un seul supercontinent g\u00e9ant, la Pang\u00e9e. \u00c0 l&rsquo;int\u00e9rieur de ces terres, le climat est tropical et aride. Le fer contenu dans les sols \u00ab\u00a0rouille\u00a0\u00bb sous l&rsquo;effet de l&rsquo;oxyg\u00e8ne et de la chaleur (c&rsquo;est exactement ce qui a donn\u00e9 leur couleur aux roches rouges en bas de la photo \ud83d\udcf8, voir le post pr\u00e9c\u00e9dent <a href=\"https:\/\/lnkd.in\/p\/eb5YS8KG\">https:\/\/lnkd.in\/p\/eb5YS8KG<\/a> ).<br><br>\ud83c\udf0b L&rsquo;\u00e9l\u00e9ment d\u00e9clencheur : en Sib\u00e9rie (ce sont les Russes), la cro\u00fbte terrestre s&rsquo;ouvre. Une r\u00e9gion de la taille de l&rsquo;Europe qui va cracher de la lave en continu pendant pr\u00e8s d&rsquo;un million d&rsquo;ann\u00e9es. L&rsquo;asphyxie globale par les gaz rel\u00e2ch\u00e9s par cette \u00e9ruption entra\u00eene une r\u00e9action en cha\u00eene mortelle \u2620\ufe0f .<br><br>Un m\u00e9ga effet de serre : Les volcans lib\u00e8rent des quantit\u00e9s astronomiques de CO\u2082 et de m\u00e9thane. Les oc\u00e9ans se r\u00e9chauffent, il fait 40\u00b0C en surface !<br>L&rsquo;asphyxie des oc\u00e9ans (Anoxie) : L&rsquo;eau chaude retient beaucoup moins bien l&rsquo;oxyg\u00e8ne que l&rsquo;eau froide. Le CO\u2082 absorb\u00e9 par les mers les rend tr\u00e8s acides, au point de dissoudre litt\u00e9ralement la coquille des animaux marins.<br>Le soufre volcanique retombe sous forme de pluies toxiques, rasant les for\u00eats et d\u00e9truisant la cha\u00eene alimentaire terrestre.<br><br>\ud83c\udf0a L&rsquo;apr\u00e8s-crise : des millions d&rsquo;ann\u00e9es apr\u00e8s ce drame, le climat se stabilise au d\u00e9but de l&rsquo;\u00e8re du Trias. La fine cro\u00fbte terrestre n\u00e9e de l&rsquo;\u00e9cartement et du volcanisme se r\u00e9tracte et baisse : la mer envahit peu \u00e0 peu l&rsquo;immense d\u00e9sert de laves rouges. Une mer chaude et peu profonde s&rsquo;installe sur la r\u00e9gion.<br><br>\ud83d\udc1a Pourquoi la roche au-dessus devient-elle blanche ? La vie, bien que d\u00e9cim\u00e9e, commence tr\u00e8s lentement \u00e0 se reconstruire. Au fond de cette nouvelle mer s&rsquo;accumulent du sable, de la vase, et surtout les coquilles et squelettes des esp\u00e8ces marines survivantes. Avec le temps et la pression, ces d\u00e9p\u00f4ts marins vont former des roches s\u00e9dimentaires claires blanch\u00e2tres (comme du calcaire ou du gr\u00e8s clair).<br><br>\ud83d\ude82 La \u00ab\u00a0cicatrice\u00a0\u00bb visible \u00e0 l&rsquo;\u0153il nu<br>C&rsquo;est exactement cette rupture que l&rsquo;on voit \u00e0 flanc de colline quand la roche rouge passe brutalement au blanc-jaune ! Cette simple ligne de couleur raconte cette fascinante transition : on passe d&rsquo;un monde terrestre, aride, volcanique et empoisonn\u00e9 (la terre rouge), \u00e0 un nouveau monde marin, calme, fait de sables et de coquillages (la roche claire).<br><br>\ud83c\udfd4\ufe0f Et aujourd&rsquo;hui ? Pourquoi ces fonds marins sont-ils dans le ciel ?<br>Il y a environ 40 millions d&rsquo;ann\u00e9es, la plaque tectonique africaine est remont\u00e9e vers le nord et a percut\u00e9 l&rsquo;Europe. Ce choc a pliss\u00e9 la cro\u00fbte terrestre et a donn\u00e9 naissance aux Alpes et \u00e0 ce massif.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"529\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783236096648.jpg\" alt=\"\" class=\"wp-image-4396\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783236096648.jpg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783236096648-300x198.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783236096648-767x507.jpg 767w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4392 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-tourisme\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:30:05+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=tourisme\" rel=\"tag\">Tourisme<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">G\u00e9osciences en TGV Nice-Paris [1\/x]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Faisons des g\u00e9osciences depuis le TGV Nice-Paris [1\/x]<br>Le TGV passe entre Nice et Toulon et traverse le massif d&rsquo;Est\u00e9rel. Photos prises par ma fen\u00eatre du train.<br><br>Il y a 300 millions d&rsquo;ann\u00e9es, des volcans explosifs ont fait jaillir du magma venu des profondeurs de la Terre et donc charg\u00e9 en fer. Ce fer a rouill\u00e9 au contact de l&rsquo;oxyg\u00e8ne de l&rsquo;air alors que le climat \u00e9tait tropical, et a donn\u00e9 cette couleur rouge-rouille que l&rsquo;on voit aujourd&rsquo;hui.<br>Comme cette zone \u00e9tait un point de fragilit\u00e9 de la cro\u00fbte terrestre, c&rsquo;est l\u00e0 que la terre s&rsquo;est plus tard coup\u00e9e en deux il y a 30 millions d&rsquo;ann\u00e9es: une partie est rest\u00e9e l\u00e0, entre Nice et Toulon, et l&rsquo;autre moiti\u00e9 s&rsquo;est \u00e9cart\u00e9e et on la retrouve en Corse qui a les m\u00eame terres rouges dans les calanques de Piana.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"375\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783233831817.jpg\" alt=\"\" class=\"wp-image-4393\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783233831817.jpg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783233831817-300x141.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1783233831817-768x360.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4389 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-ieso tag-video\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:29:14+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=ieso\" rel=\"tag\">IESO<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=video\" rel=\"tag\">Vid\u00e9o<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">IESO 2026 &#8211; Nous avons trouv\u00e9 de l&rsquo;or<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ces \u00e9tudiants ont trouv\u00e9 de l&rsquo;or pendant leur examen !<br>IESO 2026 Video #3 Torino Italia &#8211; <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso2026&amp;origin=HASH_TAG_FROM_FEED\">#IESO2026<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso&amp;origin=HASH_TAG_FROM_FEED\"> #IESO<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23earthscience&amp;origin=HASH_TAG_FROM_FEED\"> #earthscience<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23olympiad&amp;origin=HASH_TAG_FROM_FEED\">#olympiad<\/a><br><br>Subscribe if you don\u2019t want to miss my new videos! And write in the comments any questions you\u2019d like to ask to students, mentors, volunteers\u2026<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1280\" style=\"aspect-ratio: 720 \/ 1280;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/IESO-2026-3-Students-found-gold-during-their-exam-IESO2026-IESO-earthscience-scienceolympiad.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4386 post type-post status-publish format-standard hentry category-blog tag-conference tag-maths tag-musique tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:28:06+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=conference\" rel=\"tag\">Conf\u00e9rence<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=musique\" rel=\"tag\">Musique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">\ud835\udde3\ud835\uddf2\ud835\ude02\ud835\ude01-\ud835\uddfc\ud835\uddfb \ud835\uddf2\ud835\uddfb\ud835\ude01\ud835\uddf2\ud835\uddfb\ud835\uddf1\ud835\uddff\ud835\uddf2 \ud835\uddf9\ud835\uddee \ud835\uddf3\ud835\uddfc\ud835\uddff\ud835\uddfa\ud835\uddf2 \ud835\uddf1\u2019\ud835\ude02\ud835\uddfb\ud835\uddf2 \ud835\uddef\ud835\uddfc\ud835\ude02\ud835\ude01\ud835\uddf2\ud835\uddf6\ud835\uddf9\ud835\uddf9\ud835\uddf2 ?<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Conf\u00e9rence publique le 27 ao\u00fbt 2026, dans le cadre de l\u2019<a href=\"https:\/\/www.linkedin.com\/company\/ecole-de-physique-des-houches\/\">Ecole de physique des Houches<\/a>: Quantum Theory On All Scales, en fran\u00e7ais, \u00e0 l\u2019Espace Animation des Houches, par Nalini Anantharaman, Coll\u00e8ge de France.<br>\u00c0 cette occasion, vous pourrez d\u00e9couvrir et \u00e9couter mes bouteilles, que j\u2019avais pr\u00e9sent\u00e9es en vid\u00e9o, et poser toutes vos questions<br><a href=\"https:\/\/lnkd.in\/ezn-6Chj\">https:\/\/lnkd.in\/ezn-6Chj<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"576\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1787657811657.jpg\" alt=\"\" class=\"wp-image-4387\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1787657811657.jpg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1787657811657-300x216.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1787657811657-767x552.jpg 767w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4383 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-ieso\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:27:14+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=ieso\" rel=\"tag\">IESO<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">IESO 2026 &#8211; How do 40+ countries agree ?<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">IESO 2026 Video #2 Torino Italia &#8211; <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso2026&amp;origin=HASH_TAG_FROM_FEED\">#IESO2026<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso&amp;origin=HASH_TAG_FROM_FEED\">#IESO<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23earthscience&amp;origin=HASH_TAG_FROM_FEED\">#earthscience<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23olympiad&amp;origin=HASH_TAG_FROM_FEED\">#olympiad<\/a><br><a href=\"https:\/\/lnkd.in\/eN3GNZSc\">https:\/\/lnkd.in\/eN3GNZSc<\/a><br>Subscribe if you don\u2019t want to miss my new videos! And write in the comments any questions you\u2019d like to ask to students, mentors, volunteers\u2026<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1280\" style=\"aspect-ratio: 720 \/ 1280;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/videoplayback.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4376 post type-post status-publish format-standard hentry category-blog tag-geosciences tag-ieso\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:25:16+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=ieso\" rel=\"tag\">IESO<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">IESO 2025 Field trip<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">I covered the IESO 2025 in China last year, and I will cover the IESO 2026 in Italy again, so subscribe if you don\u2019t want to miss my new videos!<br>I am a young reporter for IUGS YORI <a href=\"https:\/\/www.linkedin.com\/company\/yori-iugs-young-reporters-initiative\/\">YoRI_IUGS Young Reporters Initiative<\/a>, a member of IGYM (International Geoscience Youth Movement) and creator of Snack &amp; Maths and Snack &amp; Science<br><br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso&amp;origin=HASH_TAG_FROM_FEED\">#IESO<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso2025&amp;origin=HASH_TAG_FROM_FEED\">#IESO2025<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso2026&amp;origin=HASH_TAG_FROM_FEED\">#IESO2026<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23sciencetheory&amp;origin=HASH_TAG_FROM_FEED\">#sciencetheory<\/a> International Earth Science Olympiad <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ieso2025&amp;origin=HASH_TAG_FROM_FEED\">#IESO2025<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23earthscience&amp;origin=HASH_TAG_FROM_FEED\">#EarthScience<\/a><br>IESO 2025: <a href=\"https:\/\/ieso2025.cn\/\">https:\/\/ieso2025.cn\/<\/a> Ji\u2019ning, <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23china&amp;origin=HASH_TAG_FROM_FEED\">hashtag#China<\/a><br>IESO 2026: <a href=\"https:\/\/lnkd.in\/eM7DB2dm\">https:\/\/lnkd.in\/eM7DB2dm<\/a><br>The International Geoscience Youth Movement 2025 IGYM: <a href=\"https:\/\/i-gymyouth.org\/\">https:\/\/i-gymyouth.org<\/a><br>IESO 2025 Videos playlist: <a href=\"https:\/\/lnkd.in\/epkbU5Py\">https:\/\/lnkd.in\/epkbU5Py<\/a><br><br>Have you participated in an IESO as a student, mentor, or volunteer? Sign up here to create your IESO Alumni account: <a href=\"https:\/\/iesoalumni.com\/\">https:\/\/iesoalumni.com<\/a><br><br><a href=\"https:\/\/lnkd.in\/eXskQAD2\">https:\/\/lnkd.in\/eXskQAD2<\/a><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1280\" style=\"aspect-ratio: 720 \/ 1280;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/video-12-IESO2025-The-18th-International-Earth-Science-Olympiad-Individual-Field-Trial-ShimenMount.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/youtube.com\/shorts\/vFoPWv8WPQ0\" rel=\"noopener\"><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><a class=\"uEqukYzWxnqXHKrKojGJOZVdLhpxYQnkhCVRI  \n                tap-target\" href=\"https:\/\/youtube.com\/shorts\/vFoPWv8WPQ0\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"https:\/\/media.licdn.com\/dms\/image\/sync\/v2\/D4E27AQFuZYwgT38cXg\/articleshare-shrink_480\/B4EaAbcfzmLAAU-\/0\/1787166851789?e=1789491600&amp;v=beta&amp;t=oqoiC9vBj95U-8BvuPDINyEc67-K2QVrVlhgjkBFiTY\" alt=\"\" style=\"aspect-ratio:1.7777777777777777;width:128px;height:auto\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" href=\"https:\/\/youtube.com\/shorts\/vFoPWv8WPQ0\" rel=\"noopener\"><\/a><\/p>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4373 post type-post status-publish format-standard hentry category-blog tag-art tag-astronomie tag-photo\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:24:00+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=art\" rel=\"tag\">Art<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=astronomie\" rel=\"tag\">Astronomie<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=photo\" rel=\"tag\">Photo<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">\u00c9toile timelapse Grande Ourse<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Je ne m&rsquo;en lasse pas.<br><br>La Grande Ourse, l&rsquo;\u00c9toile polaire, la Petite Ourse, le Dragon, les couleurs des \u00e9toiles, les avions, les \u00e9toiles filantes, les satellites, les voitures, la lueur des villages et du soleil\u2026<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 720 \/ 1080;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/output_progressive_8b4210df-5aec-4252-97a3-6d507eb5e2f2.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4370 post type-post status-publish format-standard hentry category-blog tag-concours tag-sport\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:23:12+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=concours\" rel=\"tag\">concours<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=sport\" rel=\"tag\">Sport<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Course X thon<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Mon retour d\u2019oraux [8\/x] &#8211; Sport partie 2\/2 : Voici \u00e0 quoi ressemble l&rsquo;\u00e9preuve du 1000m de l&rsquo;<a href=\"https:\/\/www.linkedin.com\/company\/ecole-polytechnique\/\">\u00c9cole Polytechnique<\/a> .<br>Hier on avait vu le 100m.<br>&#8211; On voit un petit peloton qui fait ses tours de stade. \ud83c\udfc3\u200d\u2642\ufe0f \ud83c\udfc3\u200d\u2642\ufe0f\u00a0\u00a0\u00a0\u00a0 \ud83c\udfc3\u200d\u2642\ufe0f<br>&#8211; \u00c0 la tra\u00eene 2 personnes qui ont l&rsquo;air d&rsquo;avoir du mal par rapport aux autres<br>\ud83d\udc49 Normal, ce sont des filles.<br>\u27a1\ufe0f Les filles peu nombreuses (environ 5% int\u00e9grantes) font les m\u00eame \u00e9preuves, m\u00e9lang\u00e9es avec les gar\u00e7ons, elles arrivent donc toujours derni\u00e8res dans les courses.<br>En vrai, ces filles ont une meilleure performance que les gar\u00e7ons qui les pr\u00e9c\u00e8dent car elles ont un bar\u00e8me diff\u00e9rent.<br>&#8211; \u00c0 la fin on voit les coureurs de t\u00eate de course qui rattrapent les filles avec un tour d&rsquo;avance.<br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23dynamique_de_groupe&amp;origin=HASH_TAG_FROM_FEED\">#dynamique_de_groupe<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23j_aime_la_prepa&amp;origin=HASH_TAG_FROM_FEED\">#j_aime_la_prepa<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"264\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782889198446.gif\" alt=\"\" class=\"wp-image-4371\"\/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4367 post type-post status-publish format-standard hentry category-blog tag-concours tag-sport\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:22:19+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=concours\" rel=\"tag\">concours<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=sport\" rel=\"tag\">Sport<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Course X<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Mon retour d\u2019oraux [7\/x] &#8211; Sport partie 1\/2 : Voici \u00e0 quoi ressemble l&rsquo;\u00e9preuve du 100m de l&rsquo;<a href=\"https:\/\/www.linkedin.com\/company\/ecole-polytechnique\/\">\u00c9cole Polytechnique<\/a> :<br>&#8211; Course 3 par 3. \ud83c\udfc3\u200d\u2642\ufe0f \ud83c\udfc3\u200d\u2642\ufe0f\u00a0\u00a0\u00a0\u00a0 \ud83c\udfc3\u200d\u2642\ufe0f<br>&#8211; Choix du d\u00e9part debout ou avec starting-blocks<br>&#8211; La 3\u00e8me personne \u00e0 gauche est \u00e0 la tra\u00eene ? Normal, c&rsquo;est une fille !<br>\u27a1\ufe0f Les filles, peu nombreuses (environ 5 \u00e0 10%) font les m\u00eame \u00e9preuves, m\u00e9lang\u00e9es avec les gar\u00e7ons, elles arrivent donc toujours derni\u00e8res dans les courses. Mais le bar\u00e8me est diff\u00e9rent.<br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23dynamique_de_groupe&amp;origin=HASH_TAG_FROM_FEED\">#dynamique_de_groupe<\/a><br>Demain nous verrons le 1000m<br><br>Extrait de bar\u00e8me :<br>100m<br>13,2 secondes fille 20\/20 &#8211; gar\u00e7on 11\/20<br>13,4 secondes fille 18\/20 &#8211; gar\u00e7on 10\/20<br>15,6 secondes fille 10\/20 &#8211; gar\u00e7on 2\/20<br>18,3 secondes fille 0\/20 &#8211; gar\u00e7on. 0\/20<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"320\" height=\"266\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1782888894989.gif\" alt=\"\" class=\"wp-image-4368\"\/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4364 post type-post status-publish format-standard hentry category-blog\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:21:20+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">364 ECTS<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Bilan de mes 2 derni\u00e8res ann\u00e9es : 364 ECTS (soit plus de 6 fois 60 ECTS ! )<br>avec 11 universit\u00e9s.<br><br>&#8211; 120 de Louis-le-Grand<br>&#8211; 120 de l&rsquo;universit\u00e9 Paris 1 Panth\u00e9on-Sorbonne<br>&#8211; 65 de l&rsquo;universit\u00e9 de Paris 8<br>&#8211; 23 de l&rsquo;universit\u00e9 Charles<br>&#8211; 12 de l&rsquo;universit\u00e9 Paris Cit\u00e9<br>&#8211; 6 de l&rsquo;universit\u00e9 de Gen\u00e8ve<br>&#8211; 6 de l&rsquo;universit\u00e9 de Milan<br>&#8211; 6 de l&rsquo;universit\u00e9 de Varsovie<br>&#8211; 3 de l&rsquo;universit\u00e9 de Szeged<br>&#8211; 2 de l&rsquo;universit\u00e9 de Novi Sad<br>&#8211; 1 de l&rsquo;universit\u00e9 d&rsquo;Heidelberg<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"730\" height=\"658\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1785948858769.jpg\" alt=\"\" class=\"wp-image-4365\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1785948858769.jpg 730w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/1785948858769-300x270.jpg 300w\" sizes=\"auto, (max-width: 730px) 100vw, 730px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4361 post type-post status-publish format-standard hentry category-blog tag-concours tag-musique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:20:26+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=concours\" rel=\"tag\">concours<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=musique\" rel=\"tag\">Musique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Chants Ginette<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Les danses synchronis\u00e9es de Ginette (<a href=\"https:\/\/www.linkedin.com\/company\/lyc-e-sainte-genevi-ve\/\">Lyc\u00e9e Sainte-Genevi\u00e8ve<\/a>), vous connaissez ? Je vous partage une vid\u00e9o d&rsquo;une copine.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"576\" style=\"aspect-ratio: 720 \/ 576;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/output_progressive_998d0e4d-761b-41cf-9c09-b342e92fe0b7.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4357 post type-post status-publish format-standard hentry category-blog tag-concours tag-ens tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-09-08T18:19:26+02:00\">8\/9\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=concours\" rel=\"tag\">concours<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=ens\" rel=\"tag\">ENS<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Mise en place concours<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Retour sur le d\u00e9roulement du concours [6\/x] avec les \u00e9crits \u00e0 l&rsquo;Ecole Polytechnique.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"720\" style=\"aspect-ratio: 720 \/ 720;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/09\/output_progressive_af98685e-0ace-4c91-b0d2-1737f4a03d64.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4353 post type-post status-publish format-standard hentry category-blog tag-concours tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-18T08:40:20+02:00\">18\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=concours\" rel=\"tag\">concours<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Oral le plus science fiction [5\/x]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Mon exercice d&rsquo;oral le plus \u00ab\u00a0science fiction\u00a0\u00bb apr\u00e8s 4 semaines d&rsquo;oraux de concours X-ENS CentraleSup\u00e9lec Mines Ponts [5\/x]:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&lt;&lt; Sur un autre monde, il y a des melons avec la peau dure et des p\u00e9pins r\u00e9partis \u00e0 l&rsquo;int\u00e9rieur. De la lumi\u00e8re les frappe. La constante \u210f vaut 1.&gt;&gt;<br>Vous avez 25 minutes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">J&rsquo;aime bien les \u00e9nonc\u00e9s courts, qui permettent de laisser de la place \u00e0 la discussion. En fait l&rsquo;objectif est d&rsquo;\u00e9tudier comment les lois de la m\u00e9canique quantique s&rsquo;appliqueraient \u00e0 un objet de tous les jours, comme un p\u00e9pin coinc\u00e9 dans notre melon. Si \u210f devient macroscopique, les effets quantiques deviennent visibles \u00e0 l&rsquo;\u0153il nu. Le p\u00e9pin s&rsquo;agiterait et traverserait la peau du melon de temps en temps.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"545\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784530515161.jpeg\" alt=\"\" class=\"wp-image-4354\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784530515161.jpeg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784530515161-300x204.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784530515161-768x523.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4350 post type-post status-publish format-standard hentry category-blog tag-concours tag-maths tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-18T08:39:11+02:00\">18\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=concours\" rel=\"tag\">concours<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Mon retour d&rsquo;oraux [4\/?] + pingouin<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\"> Apr\u00e8s 4 semaines d&rsquo;oraux de concours X-ENS Mines Ponts Centrale Sup\u00e9lec, voici mon exercice le plus froid :<br>Un pingouin sur le sommet d&rsquo;un igloo glisse. Quand va-t-il d\u00e9coller ?<br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Physique<\/strong><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"718\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783142351162-1024x718.jpeg\" alt=\"\" class=\"wp-image-4351\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783142351162-1024x718.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783142351162-300x210.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783142351162-768x538.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783142351162.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4347 post type-post status-publish format-standard hentry category-blog tag-histoire tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-18T08:37:53+02:00\">18\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=histoire\" rel=\"tag\">Histoire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 = 1<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\"> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23maths&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Maths<\/strong><\/a><br>La cloche que l&rsquo;on voit sur ce navire (pr\u00e9sent\u00e9 dans le post pr\u00e9c\u00e9dent \u00e0 l&rsquo;<a href=\"https:\/\/www.linkedin.com\/company\/enstaofficiel\/\"><strong>ENSTA<\/strong><\/a> : <a href=\"https:\/\/www.linkedin.com\/safety\/go\/?url=https%3A%2F%2Flnkd%2Ein%2FdygJn6GU&amp;urlhash=_JW1&amp;mt=kwn8K3mVH5eCzhGyolFbkjelTQByOfmfgEsVxBRSvTNKSyn4hueunBkz6BNabjlzKzW6dEyCmRAy9HApKCffaeCTgz2X_-MJbzmoBH2UinGMWy34iCdIOhZ037Y&amp;isSdui=true\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>https:\/\/lnkd.in\/dygJn6GU<\/strong><\/a> ) marquait le temps et les relais d&rsquo;\u00e9quipe. 2 \u00e9quipes se relayaient au cours de la journ\u00e9e.<br>Quand la cloche sonnait, c&rsquo;\u00e9tait \u00e0 la nouvelle \u00e9quipe de prendre son quart, et \u00e0 l&rsquo;autre de se reposer. On alternait ainsi toutes les 6h. \u23f0<br>4 x 6h = 24h \u2705<br>Mais 6h c&rsquo;est long pour rester concentr\u00e9 et op\u00e9rationnel. Donc on a diminu\u00e9 la dur\u00e9e des quarts \u00e0 4h.<br>1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 = 1 \u203c\ufe0f<br>C&rsquo;\u00e9tait alors toujours \u00e0 la m\u00eame \u00e9quipe de veiller entre minuit et 4h du matin, p\u00e9riode la plus p\u00e9nible.<br>Alors on d\u00e9coupa un quart de l&rsquo;apr\u00e8s-midi en 2 quarts de 2h.<br>Le nombre de quarts de l&rsquo;unit\u00e9 \u00e9tait ainsi impair, ce qui garantissait un roulement.<br>C&rsquo;est ainsi que la journ\u00e9e est divis\u00e9e en 7 quarts.<br>1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 + 1\/4 = 1<br>4h + 4h + 4h + 2h + 2h + 4h + 4h = 24h<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783324779615-1024x768.jpeg\" alt=\"\" class=\"wp-image-4348\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783324779615-1024x768.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783324779615-300x225.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783324779615-768x576.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783324779615.jpeg 1195w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4341 post type-post status-publish format-standard hentry category-blog tag-archimede tag-concours tag-ensta tag-flottabilite tag-histoire tag-oraux tag-photo tag-physique tag-science tag-visite\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-08T11:04:07+02:00\">8\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=archimede\" rel=\"tag\">archim\u00e8de<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=concours\" rel=\"tag\">concours<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=ensta\" rel=\"tag\">ENSTA<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=flottabilite\" rel=\"tag\">flottabilit\u00e9<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=histoire\" rel=\"tag\">Histoire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=oraux\" rel=\"tag\">Oraux<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=photo\" rel=\"tag\">Photo<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=science\" rel=\"tag\">Science<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=visite\" rel=\"tag\">visite<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Physique d&rsquo;une fr\u00e9gate \u00e0 l&rsquo;ENSTA<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Comment calculait-on la physique (cordage, flottabilit\u00e9\u2026) au XVIII\u00e8 si\u00e8cle ? Avec des maquettes ! <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Physique<\/strong><\/a> \u2b07\ufe0f [1\/2]<br><br>J&rsquo;ai d\u00fb me rendre \u00e0 l&rsquo;<a href=\"https:\/\/www.linkedin.com\/company\/enstaofficiel\/\"><strong>ENSTA<\/strong><\/a> sur le plateau de Saclay pour passer mes oraux du <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23concours&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Concours<\/strong><\/a> CCMP et&#8230; je suis tomb\u00e9e sur cette maquette de la fr\u00e9gate La Flore ! \ud83c\uddeb\ud83c\uddf7\ud83c\uddfa\ud83c\uddf8 qui a de nombreux rebondissements.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"715\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene3-1024x715.jpeg\" alt=\"\" class=\"wp-image-4344\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene3-1024x715.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene3-300x209.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene3-768x536.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene3-1536x1072.jpeg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene3.jpeg 1636w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;ENSTA est la descendante de l&rsquo;\u00c9cole des ing\u00e9nieurs-constructeurs des vaisseaux de 1741. \u00c0 l&rsquo;\u00e9poque, pas de logiciel 3D : cette maquette servait de v\u00e9ritable ordinateur physique ! Les ing\u00e9nieurs l&rsquo;utilisaient pour simuler la g\u00e9om\u00e9trie des cordages afin qu&rsquo;ils ne se croisent pas, ou pour calculer empiriquement le centre de gravit\u00e9 et la pouss\u00e9e d&rsquo;Archim\u00e8de pour \u00e9viter que le navire ne chavire. \ud83d\udcd0\ud83c\udf0a<br><br>\ud83d\udc49 Pour construire cette fr\u00e9gate, a \u00e9t\u00e9 utilis\u00e9e la toute nouvelle th\u00e9orie du m\u00e9tacentre de car\u00e8ne du math\u00e9maticien et professeur de l&rsquo;\u00e9cole des ing\u00e9nieurs-constructeurs, Pierre Bouguer, en 1746.<br>C&rsquo;est l&rsquo;intersection des axes d&rsquo;application de la force d&rsquo;Archim\u00e8de pour de petites variations d&rsquo;inclinaison du bateau. Et il doit \u00eatre le plus haut possible pour maximiser la stabilit\u00e9 de l&rsquo;\u00e9quilibre de flottaison. Alors que le centre de gravit\u00e9 est souvent au-dessus du centre de pouss\u00e9e d&rsquo;Archim\u00e8de. Je vous ai fait une petite simulation qui permet de calculer le m\u00e9tacentre de car\u00e8ne : <a href=\"https:\/\/corot.top\/metacentre-carene\/\">https:\/\/corot.top\/metacentre-carene\/<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"910\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene1-1024x910.jpeg\" alt=\"\" class=\"wp-image-4343\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene1-1024x910.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene1-300x267.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene1-768x683.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene1-1536x1365.jpeg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene1.jpeg 1728w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83c\udfdb\ufe0f Mais le destin de ce navire est encore plus surprenant :<br>1756 : Construit en France.<br>1761 : Captur\u00e9 par les Britanniques et rebaptis\u00e9e \u00ab\u00a0His Majesty&rsquo;s Ship Flora\u00a0\u00bb.<br>1778 : Sabord\u00e9 par les Anglais alors qu&rsquo;ils perdaient la guerre d&rsquo;Ind\u00e9pendance am\u00e9ricaine pour ne pas le laisser \u00e0 l&rsquo;ennemi.<br>1780 : Renflou\u00e9 par les Am\u00e9ricains (colmatage des trous sous l&rsquo;eau\u2026).<br>1784 : Rachet\u00e9 par la France ! \ud83e\udd2f<br><br>Un parcours incroyable qui a s\u00e9duit JFK. En 1962, Andr\u00e9 Malraux lui offre une r\u00e9plique exacte tir\u00e9e de ces m\u00eames plans comme celle-ci. Grand marin, le Pr\u00e9sident l&rsquo;a fi\u00e8rement expos\u00e9e en plein c\u0153ur du c\u00e9l\u00e8bre Bureau Ovale ! \ud83c\udfdb\ufe0f\u2693 Et la notice \u00e0 c\u00f4t\u00e9 indique seulement qu&rsquo;il a \u00e9t\u00e9 construit par les Am\u00e9ricains, encore aujourd&rsquo;hui !<br><br>PS : Bien que les murs soient recouverts de beaucoup de verdure, il y fait quand m\u00eame chaud pendant les canicules.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"759\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene2-1024x759.jpeg\" alt=\"\" class=\"wp-image-4342\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene2-1024x759.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene2-300x222.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene2-768x569.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene2-1536x1138.jpeg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/carene2.jpeg 1970w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Demain un peu de maths surprenantes avec ce bateau.<br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23ensta&amp;origin=HASH_TAG_FROM_FEED\"><strong>#ENSTA<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23laflore&amp;origin=HASH_TAG_FROM_FEED\"><strong>#LaFlore<\/strong><\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23jfk&amp;origin=HASH_TAG_FROM_FEED\"><strong>#JFK<\/strong><\/a><a href=\"https:\/\/www.linkedin.com\/feed\/update\/urn:li:activity:7491742509698711552\/\"><\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">Quelques sources sur le m\u00e9tacentre de car\u00e8ne :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/les-voiliers-plaisance-et-sport-47.webself.net\/principes-de-base-du-voilier\">https:\/\/les-voiliers-plaisance-et-sport-47.webself.net\/principes-de-base-du-voilier<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.techno-science.net\/fr\/definitions\/centre-de-carene\">https:\/\/www.techno-science.net\/fr\/definitions\/centre-de-carene<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">avec des calculs : <a href=\"http:\/\/eric.collard.free.fr\/e_help_v5_fr\/z_hydrostat_meta.htm\">http:\/\/eric.collard.free.fr\/e_help_v5_fr\/z_hydrostat_meta.htm<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">cadeau d&rsquo;Andr\u00e9 Malraux : <a href=\"https:\/\/jfk.artifacts.archives.gov\/objects\/3934\/ship-model-of-the-frigate-la-flore\">https:\/\/jfk.artifacts.archives.gov\/objects\/3934\/ship-model-of-the-frigate-la-flore<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4334 post type-post status-publish format-standard hentry category-blog tag-astronomie\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:42:10+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=astronomie\" rel=\"tag\">Astronomie<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Une galaxie (Androm\u00e8de) enti\u00e8re vue par ma fen\u00eatre.Une galaxie (Androm\u00e8de) enti\u00e8re vue par ma fen\u00eatre.<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Juste un appareil photo manuel qui zoom, sans post traitement, sans stacking, sans filtre.<br>J&rsquo;ai longtemps cru que c&rsquo;\u00e9tait difficile voir, mais le tout est d&rsquo;\u00eatre dans un endroit loin des villes, pour voir Androm\u00e8de par la fen\u00eatre. La photo repr\u00e9sente bien ce qu&rsquo;on voit aussi \u00e0 l&rsquo;\u0153il nu.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"921\" height=\"616\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447187524.gif\" alt=\"\" class=\"wp-image-4335\"\/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4331 post type-post status-publish format-standard hentry category-blog tag-art tag-science\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:41:17+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=art\" rel=\"tag\">Art<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=science\" rel=\"tag\">Science<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">\u00c9crits et oraux<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Mon retour d&rsquo;oraux [3\/?] : Je continue avec mon bilan des d\u00e9couvertes des concours.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"652\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783146026788-1024x652.jpeg\" alt=\"\" class=\"wp-image-4332\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783146026788-1024x652.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783146026788-300x191.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783146026788-768x489.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783146026788.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4325 post type-post status-publish format-standard hentry category-blog tag-architecture tag-goutermaths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:40:23+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=architecture\" rel=\"tag\">Architecture<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=goutermaths\" rel=\"tag\">Go\u00fbterMaths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Illuminations sur la cath\u00e9drale de Metz<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Ce qui est pratique avec les projections, c\u2019est qu\u2019on peut redessiner \u00e0 l&rsquo;envie la cath\u00e9drale\u2026 quoi que !<br>Ici par exemple, l\u2019artiste fait appara\u00eetre une belle rosace de sym\u00e9trie 6, tandis que la rosace originale est compos\u00e9e de 16 morceaux ! Etrange non ?<br>Pgcd(16,6) = 2<br>Ppcm (16,6) = 48<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-6 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"651\" height=\"994\" data-id=\"4326\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447783033.jpeg\" alt=\"\" class=\"wp-image-4326\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447783033.jpeg 651w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447783033-196x300.jpeg 196w\" sizes=\"auto, (max-width: 651px) 100vw, 651px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"992\" data-id=\"4327\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447782758.jpeg\" alt=\"\" class=\"wp-image-4327\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447782758.jpeg 750w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447782758-227x300.jpeg 227w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-7 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"403\" height=\"567\" data-id=\"4328\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447782431.jpeg\" alt=\"\" class=\"wp-image-4328\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447782431.jpeg 403w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447782431-213x300.jpeg 213w\" sizes=\"auto, (max-width: 403px) 100vw, 403px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"797\" height=\"1024\" data-id=\"4329\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447784321-797x1024.jpeg\" alt=\"\" class=\"wp-image-4329\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447784321-797x1024.jpeg 797w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447784321-234x300.jpeg 234w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447784321-768x986.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784447784321.jpeg 1196w\" sizes=\"auto, (max-width: 797px) 100vw, 797px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4322 post type-post status-publish format-standard hentry category-blog tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:38:21+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">D\u00e9convenue inattendue lors des oraux des concours<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Mon retour d&rsquo;oraux [2\/?] : D\u00e9convenue inattendue lors des oraux des concours.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"558\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197702338-1024x558.jpeg\" alt=\"\" class=\"wp-image-4323\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197702338-1024x558.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197702338-300x164.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197702338-768x419.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197702338.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4318 post type-post status-publish format-standard hentry category-blog tag-ens tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:37:04+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=ens\" rel=\"tag\">ENS<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Point commun entre un Escape Game et un oral de l&rsquo;ENS<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Mon retour d&rsquo;oraux [1\/?] : Le point commun inattendu entre un Escape Game et un oral de l&rsquo;ENS<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avez-vous d\u00e9j\u00e0 remarqu\u00e9 \u00e0 quel point le d\u00e9nouement d&rsquo;un Escape Game semble toujours se jouer \u00e0 la derni\u00e8re seconde ?<br>Ce n&rsquo;est pas un hasard, c&rsquo;est l&rsquo;art subtil du \u00ab\u00a0Game Master\u00a0\u00bb. Son v\u00e9ritable r\u00f4le n&rsquo;est pas juste de vous surveiller, mais de calibrer la difficult\u00e9 en temps r\u00e9el. Face \u00e0 une montagne de cadenas et d&rsquo;indices, un groupe de trois joueurs recevra de petits coups de pouce ou des raccourcis pour maintenir le rythme. \u00c0 l&rsquo;inverse, une \u00e9quipe de cinq tr\u00e8s efficace devra r\u00e9soudre davantage d&rsquo;\u00e9nigmes individuellement. L&rsquo;objectif cach\u00e9 de l&rsquo;animateur ? Vous faire ouvrir l&rsquo;ultime porte \u00e0 quelques secondes seulement de la fin du chronom\u00e8tre. Sans cette main invisible, l&rsquo;\u00e9preuve serait souvent insoluble. C&rsquo;est pr\u00e9cis\u00e9ment cet \u00e9quilibre sur mesure qui rend l&rsquo;exp\u00e9rience si plaisante et grisante, bien plus que si l&rsquo;on restait frustr\u00e9 sans aboutir, ou que l&rsquo;on sortait trop t\u00f4t avec vingt minutes d&rsquo;avance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Je ne m&rsquo;y attendais pas, mais j&rsquo;ai retrouv\u00e9 une dynamique semblable lors de mes oraux \u00e0 l&rsquo;ENS.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un oral de concours agit sur le m\u00eame principe. Tout commence par la question initiale, puis le cheminement s&rsquo;adapte enti\u00e8rement \u00e0 vous :<br>Si vous avancez vite (parce que vous avez une excellente ma\u00eetrise du domaine, parce que vous \u00eates bien pr\u00e9par\u00e9, que vous \u00eates inspir\u00e9 ou que vous avez d\u00e9j\u00e0 crois\u00e9 un sujet similaire), le jury ne vous laissera pas finir en avance. Il va complexifier le chemin, vous faire explorer des voies de traverse ou \u00e9tudier des cas interm\u00e9diaires inattendus.<br>Si vous bloquez, l&rsquo;examinateur saura vous guider et vous tendre la bonne perche pour tester votre capacit\u00e9 \u00e0 rebondir et relancer la machine.<br>Dans tous les cas, la conclusion de l&rsquo;exercice arrive presque toujours (selon mon exp\u00e9rience) quelques secondes avant la fin du temps imparti.<br>Cons\u00e9quence : le suspense est r\u00e9el, et la satisfaction de saisir toute la beaut\u00e9 et la profondeur d&rsquo;un probl\u00e8me sur le fil du rasoir est immense. Un grand bravo aux membres du jury qui transforment ces \u00e9preuves redoutables en de v\u00e9ritables parcours intellectuels, aussi stimulants que plaisants, exacerbant la beaut\u00e9 du probl\u00e8me de maths pos\u00e9.<br>C&rsquo;est un aspect tr\u00e8s humain et fascinant de ces oraux que j&rsquo;ignorais totalement, et que je tenais \u00e0 partager !<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23jaimelaprepa&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Jaimelaprepa<\/strong><\/a><a href=\"https:\/\/www.linkedin.com\/company\/ens-lyon\/\"><strong>\u00c9cole normale sup\u00e9rieure de Lyon<\/strong><\/a> &#8211; <a href=\"https:\/\/www.linkedin.com\/company\/ecolenormalesuperieure\/\"><strong>\u00c9cole normale sup\u00e9rieure<\/strong><\/a> &#8211; <a href=\"https:\/\/www.linkedin.com\/company\/ensrennes\/\"><strong>\u00c9cole normale sup\u00e9rieure de Rennes<\/strong><\/a> &#8211; <a href=\"https:\/\/www.linkedin.com\/company\/ens-paris-saclay\/\"><strong>ENS Paris-Saclay<\/strong><\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"612\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197654351-1024x612.jpeg\" alt=\"\" class=\"wp-image-4320\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197654351-1024x612.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197654351-300x179.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197654351-768x459.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1783197654351.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4316 post type-post status-publish format-standard hentry category-blog tag-astronomie tag-geosciences\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:36:16+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=astronomie\" rel=\"tag\">Astronomie<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">O\u00f9 voir l&rsquo;\u00e9clipse \u00e0 Paris<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Le 12 ao\u00fbt je ne serai pas \u00e0 Paris, mais si vous y \u00eates ce jour-l\u00e0 voici le meilleur endroit pour observer l&rsquo;eclipse de soleil \u00e0 Paris, dans l&rsquo;\u00c9glise Saint-Sulpice.<br>2025 : <a href=\"https:\/\/www.linkedin.com\/safety\/go\/?url=https%3A%2F%2Flnkd%2Ein%2FeWjwzUAY&amp;urlhash=DjBG&amp;mt=hV1ZrF4m0JvTEihYVo2yzu-oZNqKLFpupm8sBI6EJ7F3DZMtCwa2iaj3Tj8s_3nyFDuIY44QZJ1VHSWybV4YrscohsAWyaTyUdO_rWkYmGbinyb6Os63NNV5R0U&amp;isSdui=true\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>https:\/\/lnkd.in\/eWjwzUAY<\/strong><\/a><br>2022 : <a href=\"https:\/\/www.linkedin.com\/safety\/go\/?url=https%3A%2F%2Flnkd%2Ein%2Feqx37iky&amp;urlhash=Gqdq&amp;mt=eLO97olIGC9UrWsr9mClNbzQK23v2txM3Gq1j5n4NUiQl2yorOP5j0f2PE9Su93gnuUKLZ7RMvrGrz3EwncVOTZ1HodZXe6_4FoRKEzZdzZI7lMpLu7UT8SUF0E&amp;isSdui=true\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>https:\/\/lnkd.in\/eqx37iky<\/strong><\/a><br>Il faut juste un peu de beau temps \ud83e\udd1e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Et si le soleil est d\u00e9j\u00e0 trop bas pour \u00eatre visible \u00e0 travers le trou des vitraux, une simple passoire \u00e0 trous ronds fera tr\u00e8s bien l\u2019affaire !<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Eclipse partielle du soleil du 29\/03\/2025 vue dans l&amp;apos;\u00e9glise Saint-Sulpice\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/7gT26AQxlrA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4313 post type-post status-publish format-standard hentry category-blog tag-litteraire tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:35:23+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=litteraire\" rel=\"tag\">Litt\u00e9raire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Comment dites vous \u00ab\u00a020\u00a0\u00bb ? \ud83e\udd14 \u00c0 Metz, \u00e7a se prononce \u00ab\u00a0\ud835\ude37\ud835\ude2a\ud835\ude2f\ud835\ude35\ud835\ude26\u00a0\u00bb \ud83d\udde3\ufe0f.<br>\u00a0\u00bb 2 \ud835\ude31\ud835\ude36\ud835\ude2a\ud835\ude34\ud835\ude34\ud835\ude22\ud835\ude2f\ud835\ude24\ud835\ude26 8&Prime; se dit \u00a0\u00bb 2 \ud835\ude31\ud835\ude30\ud835\ude36\ud835\ude2a\ud835\ude34\ud835\ude34\ud835\ude22\ud835\ude2f\ud835\ude24\ud835\ude26 \ud835\ude0f\ud835\ude30\ud835\ude36\ud835\ude2a\ud835\ude35\u00a0\u00bb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais cela ne se trouve pas dans ce livre qui cite d&rsquo;autres d\u00e9riv\u00e9s de 20: \u00ab\u00a0\ud835\ude37\ud835\ude22\ud835\ude2a\ud835\ude2f\ud835\ude33\ud835\ude22\ud835\ude35\u00a0\u00bb et \u00ab\u00a0\ud835\ude37\ud835\ude2a\ud835\ude2f\ud835\ude28\ud835\ude36\ud835\ude26\ud835\ude35\ud835\ude35\ud835\ude26\u00a0\u00bb.<br>Par contre on trouve qu&rsquo;une centaine se dit au masculin. Par exemple: \u00ab\u00a0\ud835\ude10\ud835\ude2d \ud835\ude3a \ud835\ude22\ud835\ude37\ud835\ude22\ud835\ude2a\ud835\ude35 \ud835\ude23\ud835\ude2a\ud835\ude26\ud835\ude2f \ud835\ude36\ud835\ude2f \ud835\ude23\ud835\ude30\ud835\ude2f \ud835\ude24\ud835\ude26\ud835\ude2f\ud835\ude35 \ud835\ude25\ud835\ude26 \ud835\ude31\ud835\ude26\ud835\ude33\ud835\ude34\ud835\ude30\ud835\ude2f\ud835\ude2f\ud835\ude26\ud835\ude34 \u00e0 \ud835\ude24\ud835\ude26\ud835\ude35\ud835\ude35\ud835\ude26 \ud835\ude26\ud835\ude39\ud835\ude31\ud835\ude30.\u00a0\u00bb \ud83d\udcaf<br>Non pas \u00ab\u00a0\u00e0 \ud835\ude2e\ud835\ude2a\ud835\ude25\ud835\ude2a\u00a0\u00bb ou \u00ab\u00a0\ud835\ude37\ud835\ude26\ud835\ude33\ud835\ude34 \ud835\ude2e\ud835\ude2a\ud835\ude25\ud835\ude2a\u00a0\u00bb, mais \u00ab\u00a0\ud835\ude26\ud835\ude2f\ud835\ude35\ud835\ude33\ud835\ude26 \ud835\ude2e\ud835\ude2a\ud835\ude25\ud835\ude2a.\u00a0\u00bb. Par exemple: \u00ab\u00a0\ud835\ude2d\ud835\ude26 \ud835\ude33\ud835\ude26\ud835\ude34\ud835\ude35\ud835\ude22\ud835\ude36\ud835\ude33\ud835\ude22\ud835\ude2f\ud835\ude35 \ud835\ude26\ud835\ude34\ud835\ude35 \ud835\ude30\ud835\ude36\ud835\ude37\ud835\ude26\ud835\ude33\ud835\ude35 \ud835\ude26\ud835\ude2f\ud835\ude35\ud835\ude33\ud835\ude26 \ud835\ude2e\ud835\ude2a\ud835\ude25\ud835\ude2a ?\u00a0\u00bb<br>Ou encore d&rsquo;un gamin excit\u00e9 qu&rsquo;il est comme un \u00ab\u00a0\ud835\ude23\ud835\ude30\ud835\ude2a\ud835\ude34\ud835\ude34\ud835\ude26\ud835\ude22\ud835\ude36 \ud835\ude25\ud835\ude26 \ud835\ude31\ud835\ude36\ud835\ude24\ud835\ude26\ud835\ude34\u00a0\u00bb.<br>Finalement, il ne doit rester que les math\u00e9maticiens \u00e0 encore utiliser une \u00ab\u00a0\ud835\ude35\ud835\ude30\ud835\ude33\ud835\ude24\ud835\ude29\ud835\ude26\ud835\ude35\ud835\ude35\ud835\ude26\u00a0\u00bb pour effacer le tableau. \ud83e\uddfd\ud83d\udcd0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connaissez-vous d&rsquo;autres variations math\u00e9matiques r\u00e9gionales en France ? \ud83c\uddeb\ud83c\uddf7\ud83d\udcd0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784561605616-768x1024.jpeg\" alt=\"\" class=\"wp-image-4314\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784561605616-768x1024.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784561605616-225x300.jpeg 225w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784561605616.jpeg 1152w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4310 post type-post status-publish format-standard hentry category-blog tag-litteraire tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:34:19+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=litteraire\" rel=\"tag\">Litt\u00e9raire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">\u00c9ditions Delirium<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23maths&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Maths<\/strong><\/a>, <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23art&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Art<\/strong><\/a> \u2026 ou <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23humour&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Humour<\/strong><\/a><br>Il y a 2 semaines, Roger Mansuy \u00e9voquait le mus\u00e9e Beaubourg de Metz avec une expo m\u00ealant art et maths. \ud83c\udfa8\ud83d\udcd0<br>J&rsquo;y suis all\u00e9e ce week-end et j&rsquo;y ai d\u00e9couvert le travail de Laurent Derobert qui utilise le formalisme des maths pour d\u00e9crire le monde (sans d\u00e9monstration)<br>.<br>D\u00e9finition de Mirages : {\u03b3 \u2208 i\u211d : \u03c0(\u03b3) \u2208 \u211d*} \ud83c\udfdc\ufe0f<br>D\u00e9finition de Miracles : {\u03b3 \u2208 \u211d* : \u03c0(\u03b3) \u2208 i\u211d} \u2728<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83e\udd13 Ce qui peut se lire :<br>\ud83d\udd39 Pour les mirages : L&rsquo;ensemble des \u00e9v\u00e9nements gamma appartenant aux imaginaires purs, tels que la probabilit\u00e9 pi de gamma appartient aux nombres r\u00e9els non nuls. (En gros : un truc imaginaire qui a de vraies chances d&rsquo;arriver ! \ud83d\ude02)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd39 Pour les miracles : L&rsquo;ensemble des \u00e9v\u00e9nements gamma appartenant aux r\u00e9els non nuls, tels que la probabilit\u00e9 pi de gamma appartient aux imaginaires purs. (Bref : un \u00e9v\u00e9nement bien r\u00e9el, mais dont la probabilit\u00e9 n&rsquo;existe que dans notre imagination&#8230; \ud83e\udd2f\ud83d\udc7c)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Et il en a fait tout un petit livre comme \u00e7a aux \u00e9ditions Delirium&#8230; un vrai manuel d&rsquo;exploration existentielle pour noter qui l&rsquo;on est et qui on veut \u00eatre !<br>Sinon avec des r\u00e9sultats \u00e9prouv\u00e9s, il y a Les math\u00e9matiques de l&rsquo;amour de Hannah Fry.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"831\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784560498954-1024x831.jpeg\" alt=\"\" class=\"wp-image-4311\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784560498954-1024x831.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784560498954-300x244.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784560498954-768x623.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784560498954.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4307 post type-post status-publish format-standard hentry category-blog category-divers tag-geosciences tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-08-05T16:33:11+02:00\">5\/8\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=geosciences\" rel=\"tag\">G\u00e9osciences<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Pagodes antisismiques<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Les pagodes au Japon (parmi les plus vieux b\u00e2timents en bois) r\u00e9sistent aux s\u00e9ismes. Dans son dernier poste du Japon <a href=\"https:\/\/www.linkedin.com\/in\/alain-le-rille-224586292\/\"><strong>alain le rille<\/strong><\/a> explique comment elles r\u00e9sistent aux tremblements de terre avec leurs cinq toits: <a href=\"https:\/\/www.linkedin.com\/safety\/go\/?url=https%3A%2F%2Flnkd%2Ein%2FeJVHFZuF&amp;urlhash=83wn&amp;mt=LzWezKwbtZpT4aYyxrO7hBbhLaJb9TGdUXTIQtdH8B-TdFbH8B-IIuJeE3dwNdwsyuqpo7JfSUTyxpwPiRDFB7SIJ8FISfRRxerIfhCxC8Sqme8YoKF4cQcAKU0&amp;isSdui=true\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>https:\/\/lnkd.in\/eJVHFZuF<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Avec ma maquette faite de baguettes et de scotch, en agitant a 1Hz le centre de gravit\u00e9 ne reste pas sur l\u2019axe.<br>Si j\u2019agite \u00e0 environ 3Hz la maquette du b\u00e2timent fait \u00ab&nbsp;la danse du serpent&nbsp;\u00bb.<br>J\u2019en d\u00e9duis que relativement \u00e0 ma maquette les s\u00e9ismes vibrent \u00e0 3Hz<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"890\" height=\"434\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784581708794-1.jpeg\" alt=\"\" class=\"wp-image-4308\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784581708794-1.jpeg 890w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784581708794-1-300x146.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/08\/1784581708794-1-768x375.jpeg 768w\" sizes=\"auto, (max-width: 890px) 100vw, 890px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4297 post type-post status-publish format-standard hentry category-blog tag-aeronautique tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-20T23:43:24+02:00\">20\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=aeronautique\" rel=\"tag\">A\u00e9ronautique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">\ud835\udc6b\ud835\udc86\ud835\udc94 \ud835\udc83\ud835\udc90\ud835\udc8e\ud835\udc83\ud835\udc86\ud835\udc94 \ud835\udc8f\ud835\udc96\ud835\udc84\ud835\udc8d\u00e9\ud835\udc82\ud835\udc8a\ud835\udc93\ud835\udc86\ud835\udc94 \ud835\udc97\ud835\udc90\ud835\udc8d\ud835\udc82\ud835\udc8f\ud835\udc95 \ud835\udc82\ud835\udc96-\ud835\udc85\ud835\udc86\ud835\udc94\ud835\udc94\ud835\udc96\ud835\udc94 \ud835\udc85\ud835\udc86 \ud835\udc77\ud835\udc82\ud835\udc93\ud835\udc8a\ud835\udc94 \ud835\udc82\ud835\udc96\ud835\udc8b\ud835\udc90\ud835\udc96\ud835\udc93\ud835\udc85\u2019\ud835\udc89\ud835\udc96\ud835\udc8a ?<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23physique&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Physique<\/strong><\/a><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%2314juillet2026&amp;origin=HASH_TAG_FROM_FEED\"><strong>#14juillet2026<\/strong><\/a> \ud83c\uddeb\ud83c\uddf7 <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23aero&amp;origin=HASH_TAG_FROM_FEED\"><strong>#aero<\/strong><\/a><br>\ud83d\udcf7 Sur la photo #2, on voit 7 Rafales des FAS (Forces A\u00e9riennes Strat\u00e9giques) qui suivent le ravitailleur Airbus MRTT. De chaque c\u00f4t\u00e9 de chaque <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23rafale&amp;origin=HASH_TAG_FROM_FEED\"><strong>#Rafale<\/strong><\/a> se trouvent de gros r\u00e9servoirs : ce sont des bidons d&rsquo;essence ext\u00e9rieurs. Mais 4 Rafales ont quelque chose de plus sous le ventre et il \u00e9tait pr\u00e9vu un transport de missiles inertes, c\u2019est-\u00e0-dire qu&rsquo;ils ne sont pas fonctionnels, voir la photo \ud83d\udcf7 #1 , un gros plan. Seraient-ce les missiles nucl\u00e9aires ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca3 \u00c7\ud835\udc1a \ud835\udc2f\ud835\udc1e\ud835\udc2e\ud835\udc2d \ud835\udc1d\ud835\udc22\ud835\udc2b\ud835\udc1e \ud835\udc2a\ud835\udc2e&rsquo;\ud835\udc28\ud835\udc27 \ud835\udc1a\ud835\udc2e\ud835\udc2b\ud835\udc1a\ud835\udc22\ud835\udc2d \ud835\udc23\ud835\udc2e\ud835\udc2c\ud835\udc2d\ud835\udc1e \ud835\udc1c\ud835\udc28\ud835\udc2e\ud835\udc29\u00e9 \ud835\udc2e\ud835\udc27 \ud835\udc1f\ud835\udc22\ud835\udc25 ? Non, ils n\u2019ont bien s\u00fbr aucune mati\u00e8re nucl\u00e9aire radioactive (plutonium\u2026), car un accident lib\u00e9rant de la mati\u00e8re radioactive au-dessus de Paris serait trop risqu\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u269b\ufe0f \ud835\udc00\ud835\udc25\ud835\udc28\ud835\udc2b\ud835\udc2c, \ud835\udc1c\ud835\udc28\ud835\udc26\ud835\udc26\ud835\udc1e\ud835\udc27\ud835\udc2d \ud835\udc1f\ud835\udc1a\ud835\udc22\ud835\udc2d-\ud835\udc28\ud835\udc27 \ud835\udc1d\ud835\udc1e\ud835\udc2c \ud835\udc1b\ud835\udc28\ud835\udc26\ud835\udc1b\ud835\udc1e\ud835\udc2c \ud835\udc27\ud835\udc2e\ud835\udc1c\ud835\udc25\u00e9\ud835\udc1a\ud835\udc22\ud835\udc2b\ud835\udc1e\ud835\udc2c \ud835\udc1f\ud835\udc22\ud835\udc1c\ud835\udc2d\ud835\udc22\ud835\udc2f\ud835\udc1e\ud835\udc2c ? Pour que les avions puissent s\u2019entra\u00eener avec, il faut qu\u2019elles aient la m\u00eame forme, la m\u00eame masse, le m\u00eame centre de gravit\u00e9 et le m\u00eame moment d\u2019inertie !<br>Mais \u00e9tant donn\u00e9 la grande densit\u00e9 du plutonium, on ne peut pas juste remplir un bidon d\u2019eau, qui est environ 20 fois moins dense. Alors, on utilise id\u00e9alement du tungst\u00e8ne, qui a quasiment la m\u00eame densit\u00e9 que le plutonium.<br>Ce tungst\u00e8ne sert \u00e0 mimer les armes nucl\u00e9aires, par exemple pour \u00e9talonner les d\u00e9tecteurs de muons sur de fausses armes que l\u2019on mesure pour v\u00e9rifier les trait\u00e9s de d\u00e9sarmement nucl\u00e9aire.<br>Ces d\u00e9tecteurs de muons sont \u00e9galement employ\u00e9s pour \u00e9tudier les cavit\u00e9s des volcans (<a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23g%C3%A9osciences&amp;origin=HASH_TAG_FROM_FEED\"><strong>#g\u00e9osciences<\/strong><\/a>) ou par les services des douanes pour v\u00e9rifier qu&rsquo;un camion ne transporte pas de plutonium.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"626\" height=\"438\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055938749.jpeg\" alt=\"\" class=\"wp-image-4299\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055938749.jpeg 626w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055938749-300x210.jpeg 300w\" sizes=\"auto, (max-width: 626px) 100vw, 626px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-8 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1015\" height=\"573\" data-id=\"4301\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055938307.jpeg\" alt=\"\" class=\"wp-image-4301\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055938307.jpeg 1015w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055938307-300x169.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055938307-768x434.jpeg 768w\" sizes=\"auto, (max-width: 1015px) 100vw, 1015px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" data-id=\"4298\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055946788-1024x682.jpeg\" alt=\"\" class=\"wp-image-4298\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055946788-1024x682.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055946788-300x200.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055946788-768x512.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784055946788.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"854\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784056246908-1024x854.jpeg\" alt=\"\" class=\"wp-image-4300\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784056246908-1024x854.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784056246908-300x250.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784056246908-768x641.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1784056246908.jpeg 1280w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4293 post type-post status-publish format-standard hentry category-blog tag-ens\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-12T02:12:45+02:00\">12\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=ens\" rel=\"tag\">ENS<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">ENS PSL Ulm<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">J&rsquo;ai le plaisir de vous annoncer que je suis admise \u00e0 l&rsquo;<a href=\"https:\/\/www.linkedin.com\/company\/ecolenormalesuperieure\/\"><strong>\u00c9cole normale sup\u00e9rieure<\/strong><\/a> PSL Ulm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c0 ce propos, est-ce que \u00e7a vous int\u00e9resserait que je revienne sur mes \u00e9preuves des concours dans de futurs posts ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Stay tuned&#8230;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"579\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783703207513.jpeg\" alt=\"\" class=\"wp-image-4294\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783703207513.jpeg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783703207513-300x217.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783703207513-768x556.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4290 post type-post status-publish format-standard hentry category-blog tag-biologie tag-histoire tag-musee tag-villette\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-12T02:11:34+02:00\">12\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=biologie\" rel=\"tag\">Biologie<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=histoire\" rel=\"tag\">Histoire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=musee\" rel=\"tag\">Mus\u00e9e<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=villette\" rel=\"tag\">villette<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Aquarium de la Villette<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83c\udf0d Sauvons l&rsquo;Aquarium de la <a href=\"https:\/\/www.linkedin.com\/company\/cite-des-sciences-et-de-l-industrie\/\">Cit\u00e9 des sciences et de l&rsquo;industrie<\/a> !<br>Enfant, j&rsquo;\u00e9tais fascin\u00e9e par la silhouette de la grande mur\u00e8ne de la Villette (celle que l&rsquo;on voit si bien nager ici sur la photo), contrairement \u00e0 d&rsquo;autres aquariums parisiens payants o\u00f9 elles sont souvent confin\u00e9es dans de plus petits bacs. Pour moi, c&rsquo;est un lieu marqueur de l&rsquo;histoire et \u00e0 la Villette, immanquable car situ\u00e9 au calme entre les deux seuls restaurants du site, et qui donne \u00e0 r\u00eaver et imaginer en d\u00e9jeunant.<br><br>Pourtant, le rapport de la Cour des comptes publi\u00e9 il y a deux jours (lien en commentaire \ud83d\udc47) pr\u00e9conise avec insistance la fermeture au pr\u00e9texte qu&rsquo;il manque d&rsquo;animations avec le reste du parc et ne g\u00e9n\u00e8re pas de revenus.<br><br>Plut\u00f4t que de supprimer ce point d&rsquo;ancrage unique, transformons-le en un v\u00e9ritable laboratoire d&rsquo;innovation p\u00e9dagogique, tout simplement :<br>1\ufe0f\u20e3 Renfor\u00e7ons la m\u00e9diation : Au lieu de laisser le bassin isol\u00e9, int\u00e9grons des m\u00e9diateurs scientifiques ou des ateliers flash pour expliquer cet \u00e9cosyst\u00e8me fragile, ou d\u00e9j\u00e0 des livrets-jeux et activit\u00e9s \u00e0 faire en autonomie.<br><br>2\ufe0f\u20e3 Innovons avec la technologie : Pourquoi ne pas y d\u00e9ployer un robot-poisson filaire \u00e9quip\u00e9 de cam\u00e9ras qui retransmet ce qu&rsquo;il voit et une IA qui identifie l&rsquo;esp\u00e8ce de poisson ? De nombreux \u00e9tudiants en construisent dans leur cursus. \u00c0 la mani\u00e8re de ces nouveaux robots qui imitent des animaux pour s&rsquo;y fondre utilis\u00e9s en \u00e9thologie, ils pourraient identifier les esp\u00e8ces en temps r\u00e9el, car dans les grands bassins on a du mal \u00e0 reconna\u00eetre les poissons en les comparant avec les photos qui sont autour. Une immersion in\u00e9dite.<br><br>3\ufe0f\u20e3 D&rsquo;autres ponts ! On pourrait, par exemple, proposer de la soupe de poisson (inspir\u00e9e des esp\u00e8ces de M\u00e9diterran\u00e9e pr\u00e9sentes) dans les points de restauration du parc pour lier l&rsquo;exp\u00e9rience visuelle \u00e0 l&rsquo;exp\u00e9rience gustative, et donnerait plus de sens que des poissons pan\u00e9s carr\u00e9s. <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23goutermaths&amp;origin=HASH_TAG_FROM_FEED\">h#goutermaths<\/a><br><br>L&rsquo;aquarium de la Cit\u00e9 des Sciences ne doit pas \u00eatre une relique du pass\u00e9, mais un tremplin pour la culture scientifique de demain. Ne le fermez pas par facilit\u00e9, enrichissons-le par cr\u00e9ativit\u00e9 ! \ud83d\udc2c\ud83e\uddec<br><br>Et vous, quel avenir attendez-vous de cet aquarium ?<br><a href=\"https:\/\/www.linkedin.com\/in\/sylvie-retailleau-855639154\/\">Sylvie Retailleau<\/a> &#8211; <a href=\"https:\/\/www.linkedin.com\/company\/universcience\/?lipi=urn%3Ali%3Apage%3Ad_flagship3_profile_view_base_recent_activity_content_view%3BNSLFnzRtQESNAYQbcZfYGg%3D%3D\">Universcience<\/a><br><br><a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23universcience&amp;origin=HASH_TAG_FROM_FEED\">#Universcience<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23cit%C3%A9dessciences&amp;origin=HASH_TAG_FROM_FEED\">#Cit\u00e9DesSciences<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23lavillette&amp;origin=HASH_TAG_FROM_FEED\">#LaVillette<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23culturescientifique&amp;origin=HASH_TAG_FROM_FEED\">#CultureScientifique<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23m%C3%A9diation&amp;origin=HASH_TAG_FROM_FEED\">#M\u00e9diation<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23innovation&amp;origin=HASH_TAG_FROM_FEED\">#Innovation<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23paris&amp;origin=HASH_TAG_FROM_FEED\">#Paris<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23aquarium&amp;origin=HASH_TAG_FROM_FEED\">#Aquarium<\/a> <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23biodiversit%C3%A9&amp;origin=HASH_TAG_FROM_FEED\">#Biodiversit\u00e9<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783544721402-1024x768.jpeg\" alt=\"\" class=\"wp-image-4291\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783544721402-1024x768.jpeg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783544721402-300x225.jpeg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783544721402-768x576.jpeg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783544721402-1536x1152.jpeg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783544721402.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4287 post type-post status-publish format-standard hentry category-blog tag-histoire\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-12T02:09:21+02:00\">12\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=histoire\" rel=\"tag\">Histoire<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Publicit\u00e9 du si\u00e8cle dernier ?<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">De quel si\u00e8cle date cette publicit\u00e9 <a href=\"https:\/\/www.linkedin.com\/company\/societe-generale\/\">Soci\u00e9t\u00e9 G\u00e9n\u00e9rale<\/a> ?<br>Mettez un \ud83d\udc4d si vous pensez, du XX\u00e8me si\u00e8cle<br>Mettez un \ud83d\udca1 si vous pensez, du XXI\u00e8me si\u00e8cle<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"910\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782924254354.jpeg\" alt=\"\" class=\"wp-image-4288\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782924254354.jpeg 800w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782924254354-264x300.jpeg 264w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782924254354-768x874.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4283 post type-post status-publish format-standard hentry category-blog tag-application tag-histoire tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-12T02:07:37+02:00\">12\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=application\" rel=\"tag\">Application<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=histoire\" rel=\"tag\">Histoire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">G\u00e9ant almanach des maths en Haiku<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Un g\u00e9ant almanach des maths en Haiku (pour les besoin du calendrier Maya qui a 6000 jours) ?<a href=\"https:\/\/corot.top\/maths\/geant-almanach-maths\"><br>https:\/\/corot.top\/maths\/geant-almanach-maths<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"753\" height=\"626\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/Capture-decran-du-2026-07-12-02-07-57.png\" alt=\"\" class=\"wp-image-4285\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/Capture-decran-du-2026-07-12-02-07-57.png 753w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/Capture-decran-du-2026-07-12-02-07-57-300x249.png 300w\" sizes=\"auto, (max-width: 753px) 100vw, 753px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4280 post type-post status-publish format-standard hentry category-blog tag-astronomie tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-12T02:06:19+02:00\">12\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=astronomie\" rel=\"tag\">Astronomie<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Rover martien Perseverance \u00e0 la maison<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Comment je mod\u00e9lise les instruments du rover martien Perseverance \u00e0 2,7 milliards de dollars avec le contenu d&rsquo;un simple sac de sport.<br><br>1. Ingenuity (Drone)<br>Maquette : Mini-drone grand public (ex: DJI Tello).<br>Sur Mars : H\u00e9licopt\u00e8re \u00e9claireur testant le vol motoris\u00e9. L&rsquo;air y \u00e9tant tr\u00e8s fin, le vrai poss\u00e8de des pales plus grandes tournant beaucoup plus vite.<br><br>2. MEDA (Station M\u00e9t\u00e9o)<br>Maquette : Station m\u00e9t\u00e9o domestique classique.<br>Sur Mars : M\u00eame technologie de base pour mesurer vent, pression, humidit\u00e9 et poussi\u00e8re, mais con\u00e7ue pour r\u00e9sister aux radiations et au froid extr\u00eame (-90\u00b0C).<br><br>3. Mic-ISAE (Microphones)<br>Maquette : Micro directionnel \u00e0 membrane classique.<br>Sur Mars : \u00c9coute le vent et les \u00ab\u00a0clics\u00a0\u00bb du laser SuperCam frappant la roche, ce qui permet d&rsquo;en d\u00e9duire sa duret\u00e9. Le son est capt\u00e9 \u00e0 l&rsquo;identique (vibration d&rsquo;une membrane).<br><br>4. Mastcam-Z (Cam\u00e9ra)<br>Maquette : Smartphone en mode panorama.<br>Sur Mars : Les \u00ab\u00a0yeux\u00a0\u00bb du rover (vid\u00e9o HD, 3D). Le balayage panoramique mime parfaitement la rotation du m\u00e2t du rover pour scruter la g\u00e9ologie.<br><br>5. RIMFAX (Radar de sol)<br>Maquette : Talkie-walkie radioamateur \u00e9mettant en VHF\/UHF (150 \u00e0 500 MHz).<br>Sur Mars : Radar op\u00e9rant exactement dans la m\u00eame gamme (150 &#8211; 1200 MHz). Il envoie des ondes dont l&rsquo;\u00e9cho permet de \u00ab\u00a0voir\u00a0\u00bb les structures g\u00e9ologiques, l&rsquo;eau ou la glace jusqu&rsquo;\u00e0 10 m\u00e8tres de profondeur.<br><br>6. SHERLOC (Microscope)<br>Maquette : Microscope de poche \u00e9clair\u00e9 pos\u00e9 sur une surface.<br>Sur Mars : Observe les roches avec un niveau de d\u00e9tail de 100 \u00b5m (taille d&rsquo;un cheveu). Il int\u00e8gre un laser UV pour y chercher des mol\u00e9cules organiques.<br><br>7. Tubes d&rsquo;\u00e9chantillonnage<br>Maquette : Support en bois, entonnoir, tubes \u00e0 essai avec du sable.<br>Sur Mars : Perseverance fore et scelle herm\u00e9tiquement des carottes de roche dans des tubes d\u00e9pos\u00e9s au sol pour une future mission de retour sur Terre.<br><br>8. MOXIE (G\u00e9n\u00e9rateur d&rsquo;oxyg\u00e8ne)<br>Maquette : \u00c9lectrolyse de l&rsquo;eau (pile 9V + mine de crayon dans l&rsquo;eau s\u00e9parant H2O en H2 et O2).<br>Sur Mars : L&rsquo;air est \u00e0 95% du CO2. Principe identique : casser des mol\u00e9cules avec du courant pour extraire de l&rsquo;O2 pur, (pour la respiration et le carburant).<br><br>9. RAMAN<br>Maquette : Pointeur laser vert (532 nm) pour faire changer la couleur d&rsquo;objets par fluorescence.<br>Sur Mars : Tire un laser (aussi de 532 nm) jusqu&rsquo;\u00e0 7 m\u00e8tres pour \u00ab\u00a0exciter\u00a0\u00bb la roche et voir comment elle brille.<br><br>10. LIBS<br>Maquette : R\u00e9seau de diffraction (plastique stri\u00e9\/CD) plac\u00e9 devant la cam\u00e9ra pour s\u00e9parer la lumi\u00e8re, combin\u00e9 au laser.<br>Sur Mars : Le laser vaporise la roche. L&rsquo;interf\u00e9rom\u00e8tre d\u00e9compose la lumi\u00e8re \u00e9mise pour avoir l&#8217;empreinte de la mati\u00e8re.<br><br>\u27a1\ufe0f Avec le microscope-jouet, on d\u00e9couvre par exemple que le parquet n&rsquo;est pas en bois, mais c&rsquo;est une photo fait de petits points.<br><br>\u27a1\ufe0f Si le livre d\u2019<a href=\"https:\/\/www.linkedin.com\/in\/antoine-houlou-garcia-896a80a4\/\">Antoine Houlou-Garcia<\/a> \u00ab Vous aimez les maths sans le savoir\u00a0\u00bb a une couverture du m\u00eame orange que mes lunettes de soleil, ils ne sont pas du tout faits des m\u00eames mol\u00e9cules de colorants chimiques, puisque l\u2019un renvoie du vert, l\u2019autre du jaune. <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23chimie&amp;origin=HASH_TAG_FROM_FEED\">#Chimie<\/a><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"576\" style=\"aspect-ratio: 720 \/ 576;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/perseverence.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4271 post type-post status-publish format-standard hentry category-blog tag-histoire tag-maths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:25:31+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=histoire\" rel=\"tag\">Histoire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Calculatrice de 1760<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Voici \u00e0 quoi ressemblait une machine \u00e0 calculer en 1760, pour les marins et qui pr\u00e9sente une petite erreur\u2026<br><br>Pour savoir quelle distance parcourir avec un cap donn\u00e9, pour se d\u00e9placer de 1 degr\u00e9 de latitude (ce qui fait 17,5 lieues de longueur): x sur le sch\u00e9ma.<br><br>Pour savoir de quelle distance en longitude on s&rsquo;est d\u00e9plac\u00e9 dans ce cas: y sur le sch\u00e9ma.<br><br>\ud83e\udd14\ud83d\udca1 Si on regarde attentivement les distances autour des roses des vents, on lit directement le r\u00e9sultat avec sinus et tangentes. Sauf qu&rsquo;on a pour les plus grandes valeurs un \u00e9cart sup\u00e9rieur \u00e0 l&rsquo;arrondi comme par exemple indiqu\u00e9 88 au lieu de 90 (en vrai plus de 89,\u2026).<br><br>Alors pourquoi ?<br>Car les sinus et cosinus \u00e9taient arrondis avant d&rsquo;obtenir le r\u00e9sultat. Par exemple le sinus de 1\/8e de 90 degr\u00e9s pris comme 1\/5 au lieu de 0,195\u2026<br>Et 17,5\/0,2=87,5 arrondi \u00e0 88<br><br>Photo de l&rsquo;\u0153uvre de Jacques Devaulx de 1583 reproduit par Taschen consult\u00e9 \u00e0 la biblioth\u00e8que de l&rsquo;Arsenal <a href=\"https:\/\/www.linkedin.com\/company\/bnf\/\">BNF<\/a> \u00e0 Toulon \u00e0 l&rsquo;occasion du dernier salon <a href=\"https:\/\/www.linkedin.com\/company\/apmep\/\">APMEP &#8211; Association des professeurs de math\u00e9matiques<\/a><br>Avec aussi de jolis entrelacs pour <a href=\"https:\/\/www.linkedin.com\/in\/christianmercat\/\">Christian Mercat<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147148448-768x1024.jpg\" alt=\"\" class=\"wp-image-4274\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147148448-768x1024.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147148448-225x300.jpg 225w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147148448-1152x1536.jpg 1152w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147148448.jpg 1280w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147149828-1024x559.jpg\" alt=\"\" class=\"wp-image-4276\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147149828-1024x559.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147149828-300x164.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147149828-768x419.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147149828-1536x838.jpg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147149828.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-9 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"742\" height=\"834\" data-id=\"4273\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147141853.jpg\" alt=\"\" class=\"wp-image-4273\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147141853.jpg 742w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147141853-267x300.jpg 267w\" sizes=\"auto, (max-width: 742px) 100vw, 742px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"829\" height=\"850\" data-id=\"4275\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147141910.jpg\" alt=\"\" class=\"wp-image-4275\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147141910.jpg 829w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147141910-293x300.jpg 293w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147141910-768x787.jpg 768w\" sizes=\"auto, (max-width: 829px) 100vw, 829px\" \/><\/figure>\n<\/figure>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-10 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"4272\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145820-768x1024.jpg\" alt=\"\" class=\"wp-image-4272\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145820-768x1024.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145820-225x300.jpg 225w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145820-1152x1536.jpg 1152w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145820.jpg 1280w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"4277\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145501-768x1024.jpg\" alt=\"\" class=\"wp-image-4277\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145501-768x1024.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145501-225x300.jpg 225w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145501-1152x1536.jpg 1152w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1768147145501.jpg 1280w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4268 post type-post status-publish format-standard hentry category-blog tag-astronomie tag-video\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:23:11+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=astronomie\" rel=\"tag\">Astronomie<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=video\" rel=\"tag\">Vid\u00e9o<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Par le fen\u00eatre<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">J\u2019ai oubli\u00e9 ma cam\u00e9ra allum\u00e9e au bord de mon lit.<br>Ce qu\u2019elle a film\u00e9 en pleine nuit, en passant par ma fen\u00eatre pendant que je dormais\u2026 m\u2019a vraiment surprise.<br><br>La Voie lact\u00e9e ! \ud83d\ude0d<br>(En vrai, c&rsquo;\u00e9tait en Normandie, je m\u2019attendais juste \u00e0 des avions, des satellites, des \u00e9toiles filantes\u2026 )<br>Le lendemain, m\u00eame sc\u00e9nario mais une surprise tr\u00e8s diff\u00e9rente est pass\u00e9e par ma fen\u00eatre ! Je n&rsquo;avais jamais v\u00e9cu pareille chose.<br>(r\u00e9ponse en commentaire)<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"720\" style=\"aspect-ratio: 1080 \/ 720;\" width=\"1080\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/voielactee.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4261 post type-post status-publish format-standard hentry category-blog tag-application tag-goutermaths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:21:13+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=application\" rel=\"tag\">Application<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=goutermaths\" rel=\"tag\">Go\u00fbterMaths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">La fleur de poireau (comestible) suit le nombre d&rsquo;or [4\/4]<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><br>Ce post fait suite \u00e0 la recette dans le post pr\u00e9c\u00e9dent et aux explications math\u00e9matiques: https:\/\/lnkd.in\/edYAZsbQ<br>Voici ici une petite app pour une analyse statistique des spirales de Fibonacci: <a href=\"https:\/\/lnkd.in\/euEi4ynR\">https:\/\/lnkd.in\/euEi4ynR<\/a><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-11 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"4262\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140426-768x1024.jpg\" alt=\"\" class=\"wp-image-4262\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140426-768x1024.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140426-225x300.jpg 225w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140426-1152x1536.jpg 1152w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140426.jpg 1280w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-id=\"4264\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140311-768x1024.jpg\" alt=\"\" class=\"wp-image-4264\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140311-768x1024.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140311-225x300.jpg 225w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140311-1152x1536.jpg 1152w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140311.jpg 1280w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/figure>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-f56f613f wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"775\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140235-1024x775.jpg\" alt=\"\" class=\"wp-image-4266\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140235-1024x775.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140235-300x227.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140235-768x581.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140235.jpg 1227w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"442\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140154-1024x442.jpg\" alt=\"\" class=\"wp-image-4263\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140154-1024x442.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140154-300x129.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140154-768x331.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1783065140154.jpg 1238w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4259 post type-post status-publish format-standard hentry category-blog tag-gif tag-goutermaths\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:17:53+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=gif\" rel=\"tag\">gif<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=goutermaths\" rel=\"tag\">Go\u00fbterMaths<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Recette poireau #Maths<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\ud83d\udc68\u200d\ud83c\udf73 Ma recette de mise en valeur scientifique du poireau : <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23go%C3%BBtermaths&amp;origin=HASH_TAG_FROM_FEED\">#Go\u00fbterMaths<\/a> [3\/4]<br><br>1\ufe0f\u20e3 Les feuilles entourent de mani\u00e8re circulaire tout le f\u00fbt. Ainsi il n&rsquo;y a pas de point faible d&rsquo;entr\u00e9e pour la parasite le long du f\u00fbt. Comme on l&rsquo;a vu dans le post pr\u00e9c\u00e9dent : <a href=\"https:\/\/lnkd.in\/edYAZsbQ\">https:\/\/lnkd.in\/edYAZsbQ<\/a><br>C&rsquo;est encore mieux que le chou qui s&rsquo;entoure de feuilles en suivant le nombre d&rsquo;or.<br><br>2\ufe0f\u20e3 Plus haut, les feuilles en V finissent par s&rsquo;ouvrir et permettent de capter la lumi\u00e8re et diriger l&rsquo;eau vers le centre. Elles sont plus dures que le blanc. Il faut les faire cuire plus longtemps avec du bicarbonate de soude, puis les faire revenir avec du beurre dans une po\u00eale.<br><br>3\ufe0f\u20e3 La fleur de poireau est comestible. Elle s&rsquo;obtient en mettant le poireau du commerce dans un peu d&rsquo;eau. Les feuilles du centre vont pousser en 2 ou 3 jours. En une semaine une tige centrale rigide grandit et double la hauteur du poireau. Va appara\u00eetre avec un bourgeon. En 2 semaines la fleur sort du bourgeon.<br>Taux de succ\u00e8s 50% : ce n&rsquo;est pas grave si les feuilles sont coup\u00e9es quand on l&rsquo;ach\u00e8te, pourvu que les feuilles centrales ne le soient pas ou presque. Bio ou pas Bio.<br><br>\ud83d\udcd0Difficile de voir que la fleur suit Fibonacci. Mais statistiquement on y arrive avec un app maison que je pr\u00e9senterai dans un post suivant. Si les feuilles du poireau ne suivent pas le nombre d&rsquo;or ce n&rsquo;est pas qu&rsquo;elles ont oubli\u00e9 comment calculer, mais les feuilles circulaires sont meilleur pour grandir vite et haut. Quand il s&rsquo;agit d&rsquo;optimiser la places des fleurs dans le bourgeon, l\u00e0 elles savent utiliser le nombre d&rsquo;or.<br><br>\ud83d\ude0b La fleur a le go\u00fbt d&rsquo;oignon vert, et peut \u00eatre partag\u00e9e entre plusieurs convives.<\/p>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4256 post type-post status-publish format-standard hentry category-blog tag-art tag-maths tag-science\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:15:02+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=art\" rel=\"tag\">Art<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=maths\" rel=\"tag\">Maths<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=science\" rel=\"tag\">Science<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Soft cell de G\u00e9rard CHAMAYOU<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u0152uvre de G\u00e9rard CHAMAYOU (1929 -2019) Centralien qui r\u00e9alisa la g\u00e9ode et dont l\u2019\u0153uvre sur le campus de <a href=\"https:\/\/www.linkedin.com\/company\/centralesupelec\/\">CentraleSup\u00e9lec<\/a> \u00e0 Gif-sur-Yvette rappelle un assemblage de 8 troph\u00e9es Tangente \u00e9voqu\u00e9s ici et les softs cells <a href=\"https:\/\/lnkd.in\/ejDDQxsN\">https:\/\/lnkd.in\/ejDDQxsN<\/a><br><a href=\"https:\/\/www.linkedin.com\/in\/antoine-houlou-garcia-896a80a4\/\">Antoine Houlou-Garcia<\/a><br>La prochaine fois j&rsquo;y vais avec une ficelle et de l&rsquo;eau savonneuse pour avoir les faces comme dans l&rsquo;ISS <a href=\"https:\/\/lnkd.in\/eM-dpnyn\">https:\/\/lnkd.in\/eM-dpnyn<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"770\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782320450835-1024x770.jpg\" alt=\"\" class=\"wp-image-4257\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782320450835-1024x770.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782320450835-300x225.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782320450835-768x577.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782320450835-1536x1154.jpg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782320450835.jpg 2044w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4253 post type-post status-publish format-standard hentry category-blog tag-histoire tag-louis-le-grand\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:13:32+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=histoire\" rel=\"tag\">Histoire<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=louis-le-grand\" rel=\"tag\">Louis-le-Grand<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">La bataille de Gaulle et LLG<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Le <a href=\"https:\/\/www.linkedin.com\/company\/lycce-louis-le-grand\/\">Lyc\u00e9e Louis-le-Grand<\/a> figure dans le film \ud83c\udfac \ud835\ude13\ud835\ude22 \ud835\ude09\ud835\ude22\ud835\ude35\ud835\ude22\ud835\ude2a\ud835\ude2d\ud835\ude2d\ud835\ude26 \ud835\ude25\ud835\ude26 \ud835\ude0e\ud835\ude22\ud835\ude36\ud835\ude2d\ud835\ude2d\ud835\ude26 parce que c&rsquo;est la rue Saint-Jacques qui a \u00e9t\u00e9 emprunt\u00e9e en premier pour lib\u00e9rer Paris, mais c&rsquo;est peut-\u00eatre aussi un clin d&rsquo;oeil ! \ud83d\udc69\u200d\ud83c\udfeb<br><br>En revanche, les climatiseurs sur le toit d&rsquo;un nouveau b\u00e2timent du Coll\u00e8ge de France, construit apr\u00e8s la guerre, voisin, ont \u00e9t\u00e9 effac\u00e9s. \ud83c\udf9e\ufe0f\u2728<br><br>Ce qui illustre une autre bataille entre les Architectes des b\u00e2timents de France \ud83c\udfdb\ufe0f et les climatiseurs dans Paris <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23canicule&amp;origin=HASH_TAG_FROM_FEED\">#Canicule<\/a> \ud83e\udd75<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"519\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782799892817-1024x519.jpg\" alt=\"\" class=\"wp-image-4254\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782799892817-1024x519.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782799892817-300x152.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782799892817-768x389.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782799892817-1536x778.jpg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782799892817.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00a0La Nueve arrive le 24 au soir pour atteindre l&rsquo;h\u00f4tel de ville, et a d\u00fb emprunter les rues Nationale et Esquirol. Mais ils ont \u00e9t\u00e9 vus de nouveau le lendemain, rue Saint-Jacques, non loin du S\u00e9nat et du jardin du Luxembourg o\u00f9 les combats continu\u00e8rent encore un peu : <a href=\"https:\/\/www.parismuseescollections.paris.fr\/de\/node\/975670\">https:\/\/www.parismuseescollections.paris.fr\/de\/node\/975670<\/a><\/p>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4249 post type-post status-publish format-standard hentry category-blog tag-musique tag-science\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:12:00+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=musique\" rel=\"tag\">Musique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=science\" rel=\"tag\">Science<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Sonosph\u00e8re<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.linkedin.com\/in\/jerome-sueur\/\">J\u00e9r\u00f4me Sueur<\/a> \u00e9co-acousticien <a href=\"https:\/\/www.linkedin.com\/company\/museum-national-d%27histoire-naturelle\/\">Mus\u00e9um national d&rsquo;Histoire naturelle<\/a> \u00e9tudie la sonosph\u00e8re (tous les sons terrestres, au sens plan\u00e9taire) en enregistrant le son 1min\/15min 24h\/24 avec le boitier qu&rsquo;il montre.<br>La g\u00e9ophonie et l&rsquo;anthropophonie : 75% de ses enregistrements m\u00eame dans des zones prot\u00e9g\u00e9es au sol contiennent des sons d&rsquo;avions.<br>Il intervenait le 8 juin au th\u00e9\u00e2tre de la ville \u00e0 Paris <a href=\"https:\/\/www.linkedin.com\/company\/sorbonne-universite\/\">Sorbonne Universit\u00e9<\/a> <a href=\"https:\/\/www.linkedin.com\/in\/pierre-marie-chauvin-992a011b\/\">Pierre-Marie Chauvin<\/a><br><br>Un de ses doctorants <a href=\"https:\/\/www.linkedin.com\/in\/daniel-cadot-wrightson-543b52138\/\">Daniel Cadot Wrightson<\/a> design une plateforme pour diffuser en direct les sons capt\u00e9s d&rsquo;un r\u00e9seau spatial de micro depuis plusieurs lieux de la Terre (for\u00eats, montagne\u2026), pour les retransmettre et partager avec le public et chercheurs <a href=\"https:\/\/www.linkedin.com\/search\/results\/all\/?keywords=%23t%C3%A9l%C3%A9pr%C3%A9sence&amp;origin=HASH_TAG_FROM_FEED\">hashtag#t\u00e9l\u00e9pr\u00e9sence<\/a><br><br>Quelques extraits du livre:<br><br>\u00ab\u00a0Ainsi, plusieurs esp\u00e8ces d&rsquo;oiseaux d\u00e9marrent leurs chants du matin un peu plus t\u00f4t lorsqu&rsquo;ils nichent \u00e0 proximit\u00e9 d&rsquo;un a\u00e9roport, \u00e9vitant en partie le grondement des d\u00e9collages et des atterrissages. \u00c0 une autre \u00e9chelle temporelle, des grillons tropicaux cessent de striduler quand les camions passent sur la route voisine.\u00a0\u00bb<br><br>\u00ab\u00a0On sait par ailleurs qu&rsquo;une baisse similaire de 6 d\u00e9cibels avait eu lieu dans l&rsquo;oc\u00e9an Atlantique apr\u00e8s les attaques de New York du 11 septembre 2001 et que ce silence s&rsquo;\u00e9tait traduit par une r\u00e9duction des glucocortico\u00efdes mesur\u00e9s dans les feces de baleine franche (Euba-laena glacialis) indiquant une baisse notable de stress! \u00ab\u00a0<br><br>\u27a1\ufe0f \u00ab\u00a0Les chercheurs ne travaillent pas, ils jouent\u00a0\u00bb<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-12 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"573\" data-id=\"4251\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793053341-1024x573.jpg\" alt=\"\" class=\"wp-image-4251\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793053341-1024x573.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793053341-300x168.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793053341-768x430.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793053341-1536x860.jpg 1536w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793053341.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"645\" height=\"1024\" data-id=\"4250\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793046095-645x1024.jpg\" alt=\"\" class=\"wp-image-4250\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793046095-645x1024.jpg 645w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793046095-189x300.jpg 189w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793046095-768x1219.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793046095-968x1536.jpg 968w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1781793046095.jpg 988w\" sizes=\"auto, (max-width: 645px) 100vw, 645px\" \/><\/figure>\n<\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4246 post type-post status-publish format-standard hentry category-blog tag-musique tag-physique tag-video\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:10:45+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=musique\" rel=\"tag\">Musique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=video\" rel=\"tag\">Vid\u00e9o<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Vagues dans un verre<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Les vagues dans un verre d&rsquo;eau qu&rsquo;on fait chanter ? Comme \u00e9voqu\u00e9 dans le post d&rsquo;hier (ici: <a href=\"https:\/\/lnkd.in\/eNCQcEe4\">https:\/\/lnkd.in\/eNCQcEe4<\/a>), les vagues sont radiales. Voici l&rsquo;explication donn\u00e9e par <a href=\"https:\/\/www.linkedin.com\/in\/edouard-kierlik-94ab5b85\/\">Edouard Kierlik<\/a> et <a href=\"https:\/\/www.linkedin.com\/in\/jean-michel-courty-72142214a\/\">Jean-Michel Courty<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"576\" style=\"aspect-ratio: 720 \/ 576;\" width=\"720\" controls src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/vagues.mp4\"><\/video><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><li class=\"wp-block-post post-4241 post type-post status-publish format-standard hentry category-blog tag-musique tag-physique\">\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-37ae2f39 wp-block-columns-is-layout-flex\" style=\"padding-top:0;padding-right:0;padding-bottom:0;padding-left:0\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.568), 19px)\" class=\"wp-block-post-date\"><time datetime=\"2026-07-05T16:00:34+02:00\">5\/7\/2026<\/time><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\"><div style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.114), 15px)\" class=\"taxonomy-post_tag wp-block-post-terms\"><a href=\"https:\/\/corot.top\/eva\/?tag=musique\" rel=\"tag\">Musique<\/a><span class=\"wp-block-post-terms__separator\">, <\/span><a href=\"https:\/\/corot.top\/eva\/?tag=physique\" rel=\"tag\">Physique<\/a><\/div><\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-post-title\">Verre chantant trasversalit\u00e9<\/h2>\n\n\n\n<div class=\"entry-content wp-block-post-content is-layout-flow wp-block-post-content-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Contre intuitif ? <a href=\"https:\/\/www.linkedin.com\/in\/edouard-kierlik-94ab5b85\/\">Edouard Kierlik<\/a> et <a href=\"https:\/\/www.linkedin.com\/in\/jean-michel-courty-72142214a\/\">Jean-Michel Courty<\/a> \u00e9taient \u00e0 la nuit de l&rsquo;\u00e9loquence \u00e0 l&rsquo;<a href=\"https:\/\/www.linkedin.com\/company\/academie-des-sciences\/\">Acad\u00e9mie des sciences<\/a> le 23\/06\/26<br>QUESTION \u27a1\ufe0f Quand on fait chanter un verre en tournant le doigt mouill\u00e9 autour, le verre se d\u00e9forme comme sur la photo 1 \ud83d\udcf8 .<br>\ud83e\udde0 Mais comment sont les vagues dans le verre d&rsquo;eau \u2753<br>Concentriques ou radiales ?<br><br>Un indice : lorsque le verre se courbe plus \u00e0 un endroit, le p\u00e9rim\u00e8tre int\u00e9rieur o\u00f9 il y a l&rsquo;eau devient plus court, et il s&rsquo;y forme donc des plis.<br><br>R\u00e9ponse en image dans ce post pr\u00e9c\u00e9dent : <a href=\"https:\/\/lnkd.in\/erN5irxZ\">https:\/\/lnkd.in\/erN5irxZ<\/a><br><br>Explications en vid\u00e9o par le duo Kierlik\/Courty, lien en commentaire d\u00e8s que disponible.<br><br><a href=\"https:\/\/www.linkedin.com\/in\/remi-franco-55aa80b1\/\">Remi FRANCO<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"917\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782514623391.gif\" alt=\"\" class=\"wp-image-4243\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782514621691-1024x559.jpg\" alt=\"\" class=\"wp-image-4242\" srcset=\"https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782514621691-1024x559.jpg 1024w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782514621691-300x164.jpg 300w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782514621691-768x419.jpg 768w, https:\/\/corot.top\/eva\/wp-content\/uploads\/2026\/07\/1782514621691.jpg 1408w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-text-color has-pale-pink-color has-alpha-channel-opacity has-pale-pink-background-color has-background is-style-wide\" style=\"margin-top:var(--wp--preset--spacing--30);margin-bottom:var(--wp--preset--spacing--30)\"\/>\n\n<\/li><\/ul>\n\n<nav class=\"wp-block-query-pagination is-layout-flex wp-block-query-pagination-is-layout-flex\" aria-label=\"Pagination\">\n\n\n<div class=\"wp-block-query-pagination-numbers\"><span aria-current=\"page\" class=\"page-numbers current\">1<\/span>\n<a class=\"page-numbers\" href=\"?query-5-page=2&#038;rest_route=%2Fwp%2Fv2%2Fpages%2F53\">2<\/a>\n<a class=\"page-numbers\" href=\"?query-5-page=3&#038;rest_route=%2Fwp%2Fv2%2Fpages%2F53\">3<\/a>\n<span class=\"page-numbers 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