{"id":1296,"date":"2014-12-03T13:08:13","date_gmt":"2014-12-03T13:08:13","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/feldmann\/?p=1296"},"modified":"2020-12-12T16:20:35","modified_gmt":"2020-12-12T16:20:35","slug":"machine-danticythere-aurait-plus-de-2200-ans","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/03\/machine-danticythere-aurait-plus-de-2200-ans\/","title":{"rendered":"La machine d\u2019Anticyth\u00e8re aurait plus de 2200 ans !"},"content":{"rendered":"<p><strong>On a encore recul\u00e9 la date de conception du plus vieux calculateur astronomique, une incroyable machinerie pleine d&#8217;engrenages m\u00e9talliques.<\/strong><\/p>\n<p>Depuis plus d&#8217;un si\u00e8cle les chercheurs sont fascin\u00e9s par une \u00e9trange machine rep\u00each\u00e9e en 1902 au large de l&#8217;\u00eele grecque d&#8217;Anticyth\u00e8re. Il pourrait s&#8217;agir du plus vieux calculateur astronomique. Une sorte de calendrier permettant de reproduire les mouvements du <a title=\"Le Soleil dans le lac\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/06\/04\/soleil-lac\/\" target=\"_blank\" rel=\"noopener noreferrer\">Soleil<\/a>, de la <a title=\"La Lune dans les vignes\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/11\/14\/lune-les-vignes\/\" target=\"_blank\" rel=\"noopener noreferrer\">Lune<\/a>, et de pr\u00e9dire les <a title=\"Eclipse lunaire du 8 octobre\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/10\/06\/eclipse-lunaire-du-8-octobre\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u00e9clipses <\/a>d\u00e8s l&#8217;Antiquit\u00e9. Des possibilit\u00e9s qu&#8217;offriront les <a title=\"L\u2019horloge astronomique de Prague\" href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/07\/29\/lhorloge-astronomique-prague\/\" target=\"_blank\" rel=\"noopener noreferrer\">horloges astronomiques<\/a> 15 si\u00e8cles plus tard !<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/12\/machine.jpg\" rel=\"lightbox[1296]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1297\" src=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/12\/machine-450x401.jpg\" alt=\"machine\" width=\"450\" height=\"401\" srcset=\"https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/12\/machine-450x401.jpg 450w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/12\/machine-1024x913.jpg 1024w, https:\/\/blogs.futura-sciences.com\/feldmann\/wp-content\/uploads\/sites\/9\/2014\/12\/machine.jpg 1036w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/a><\/p>\n<p>Une fonction astronomique dont l&#8217;existence a pu \u00eatre \u00e9tablie avec certitude depuis une dizaine d&#8217;ann\u00e9es gr\u00e2ce \u00e0 l&#8217;informatique et la tomographie \u00e0 rayons X : le m\u00e9canisme \u00e9tant tr\u00e8s ab\u00eem\u00e9 apr\u00e8s un bain forc\u00e9 de vingt si\u00e8cles dans l&#8217;eau sal\u00e9e, on en a recr\u00e9\u00e9 une copie virtuelle et anim\u00e9e sur ordinateur pour la faire fonctionner.<\/p>\n<p><!--more--><\/p>\n<p>On pensait que la machine d&#8217;Anticyth\u00e8re datait d&#8217;un si\u00e8cle av. J-C, mais les derniers travaux men\u00e9s\u00a0par l\u2019historien Christi\u00e1n Carman et le physicien James Evans (<a title=\"On the epoch of the Antikythera mechanism and its eclipse predictor\" href=\"http:\/\/www.antikythera-mechanism.gr\/node\/728\" target=\"_blank\" rel=\"noopener noreferrer\"><em>On the epoch of the Antikythera mechanism and its eclipse predictor<\/em><\/a>)<em>\u00a0<\/em>r\u00e9v\u00e8lent que le m\u00e9canisme d&#8217;Anticyth\u00e8re permettait de pr\u00e9dire une \u00e9clipse qui se d\u00e9roula le 12 mai de l&#8217;an 205 av. J-C.<\/p>\n<p>Reste \u00e0 savoir qui a pu cr\u00e9er un tel m\u00e9canisme : le c\u00e9l\u00e8bre math\u00e9maticien grec Archim\u00e8de (mort 7 ans avant cette \u00e9clipse), ou\u00a0 des Babyloniens moins connus ? La question est pour le moment sans r\u00e9ponse et pourrait le rester&#8230;<\/p>\n<p><iframe loading=\"lazy\" title=\"La fabuleuse Machine d&#039;Anticyth\u00e8re\" width=\"474\" height=\"267\" src=\"https:\/\/www.youtube.com\/embed\/BG-YxFV8wE8?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><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>On a encore recul\u00e9 la date de conception du plus vieux calculateur astronomique, une incroyable machinerie pleine d&#8217;engrenages m\u00e9talliques. Depuis plus d&#8217;un si\u00e8cle les chercheurs sont fascin\u00e9s par une \u00e9trange machine rep\u00each\u00e9e en 1902 au large de l&#8217;\u00eele grecque d&#8217;Anticyth\u00e8re. Il pourrait s&#8217;agir du plus vieux calculateur astronomique. Une sorte de calendrier permettant de reproduire &hellip; <a href=\"https:\/\/blogs.futura-sciences.com\/feldmann\/2014\/12\/03\/machine-danticythere-aurait-plus-de-2200-ans\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">La machine d\u2019Anticyth\u00e8re aurait plus de 2200 ans !<\/span>  <span class=\"meta-nav\">&rarr;<\/span><\/a><!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":8,"featured_media":1297,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[509],"tags":[602,608,609,605,316,604,289,606,82,603,97,607],"class_list":["post-1296","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualites","tag-anticythere","tag-archimede","tag-babylonien","tag-calendrier-astronomique","tag-eclipse","tag-grece","tag-horloge-astronomique","tag-informatique","tag-lune","tag-mecanisme","tag-soleil","tag-tomographie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - 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