{"id":2178,"date":"2023-08-22T09:00:00","date_gmt":"2023-08-22T07:00:00","guid":{"rendered":"https:\/\/smalltalks.eu\/blog\/?p=2178"},"modified":"2026-10-11T17:30:24","modified_gmt":"2026-10-11T15:30:24","slug":"peut-on-deviner-une-forme-dapres-ses-ombres-ben-gobler","status":"publish","type":"post","link":"https:\/\/smalltalks.eu\/blog\/2023\/08\/22\/peut-on-deviner-une-forme-dapres-ses-ombres-ben-gobler\/","title":{"rendered":"Peut-on deviner une forme d&#8217;apr\u00e8s ses ombres ? (Ben Gobler)"},"content":{"rendered":"\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=\"Can you guess a shape from its shadows?\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/Cnhr6VaQKlg?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\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Peut-on reconstituer la forme d&#8217;un objet en trois dimensions \u00e0 partir de quelques-unes de ses ombres ? La r\u00e9ponse est surprenante, et d&#8217;une grande richesse math\u00e9matique (en anglais).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voir aussi : <a href=\"https:\/\/smalltalks.eu\/blog\/?p=2176\">l&#8217;exponentielle d&#8217;une matrice<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Vid\u00e9o de Ben Gobler.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peut-on reconstituer la forme d&#8217;un objet en trois dimensions \u00e0 partir de quelques-unes de ses ombres ? La r\u00e9ponse est surprenante, et d&#8217;une grande richesse math\u00e9matique (en anglais). Voir aussi : l&#8217;exponentielle d&#8217;une matrice. Vid\u00e9o de Ben Gobler.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[280,282],"tags":[],"class_list":["post-2178","post","type-post","status-publish","format-standard","hentry","category-sciences","category-sciences-mathematiques"],"_links":{"self":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/2178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/comments?post=2178"}],"version-history":[{"count":1,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/2178\/revisions"}],"predecessor-version":[{"id":2208,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/posts\/2178\/revisions\/2208"}],"wp:attachment":[{"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/media?parent=2178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/categories?post=2178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smalltalks.eu\/blog\/wp-json\/wp\/v2\/tags?post=2178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}