{"id":2902,"date":"2022-11-18T01:25:39","date_gmt":"2022-11-18T01:25:39","guid":{"rendered":"https:\/\/sites.rutgers.edu\/french-magazine\/?p=2902"},"modified":"2022-12-14T03:16:04","modified_gmt":"2022-12-14T03:16:04","slug":"rene-descartes","status":"publish","type":"post","link":"https:\/\/sites.rutgers.edu\/french-magazine\/rene-descartes\/","title":{"rendered":"L’h\u00e9ritage de Ren\u00e9 Descartes"},"content":{"rendered":"

Ren\u00e9e Descartes\u00a0<\/b><\/p>\n

 <\/p>\n

Avez-vous d\u00e9j\u00e0 mis un crayon dans l’eau et remarqu\u00e9 que la partie immerg\u00e9e n’est pas align\u00e9e avec celle qui est hors de l’eau? La partie sous l\u2019eau semble plus grande et d\u00e9connect\u00e9e de l\u2019autre. L\u2019explication r\u00e9side dans le terme de <\/span>r\u00e9fraction<\/span><\/i>, qui nous dit qu\u2019au passage de l\u2019air \u00e0 l\u2019eau, la lumi\u00e8re est d\u00e9vi\u00e9e. Plus pr\u00e9cis\u00e9ment, l\u2019angle de r\u00e9fraction d\u00e9pend de l\u2019angle d\u2019incidence du rayon qui arrive dans l\u2019eau, l\u2019air, etc.<\/span><\/p>\n

\"Broken<\/p>\n

Ren\u00e9 Descartes \u00e9tait un des auteurs de la loi de la r\u00e9fraction. C’\u00e9tait un math\u00e9maticien, un scientifique, et un philosophe fran\u00e7ais qui a v\u00e9cu au XVII\u00e8me si\u00e8cle. Il a aussi \u00e9tudi\u00e9 l\u2019arc-en-ciel, il a d\u00e9velopp\u00e9 une th\u00e9orie sur l\u2019origine des plan\u00e8tes, et \u00e9tabli des liens entre la g\u00e9om\u00e9trie et l’alg\u00e8bre. Il a propos\u00e9 beaucoup d’\u00e9quations alg\u00e9briques pour r\u00e9soudre des probl\u00e8mes g\u00e9om\u00e9triques. Par exemple, les relations entre la longueur et le rayon d\u2019arc dans un cercle.\u00a0<\/span><\/p>\n

\"S=<\/p>\n

Les math\u00e9matiques et les sciences sont utilis\u00e9es par tout le monde pour des activit\u00e9s de tous les jours, et Ren\u00e9 Descartes est \u00e0 l\u2019origine de beaucoup d’\u00e9quations que nous utilisons (sans toujours le savoir!) aujourd\u2019hui. Par exemple, chaque fois qu\u2019il y a du soleil et qu\u2019il pleut en m\u00eame temps, il se forme un arc-en-ciel: Descartes a contribu\u00e9 \u00e0 trouver la raison pour laquelle cet arc magnifique se forme. De m\u00eame, Descartes a jou\u00e9 un r\u00f4le dans le mod\u00e8le du syst\u00e8me solaire tel que nous l\u2019apprenons \u00e0 l’\u00e9cole. Il a dit que le soleil \u00e9tait au centre et que les plan\u00e8tes tournaient autour de lui. Au XVII\u00e8me, c’\u00e9tait une id\u00e9e r\u00e9volutionnaire.<\/span><\/p>\n

Descartes est n\u00e9 dans la toute petite ville de La Haye-en Touraine! Elle se trouve dans le centre de la France, l\u00e0 o\u00f9 se remet le prix scientifique annuel (le prix Descartes) — et elle a \u00e9t\u00e9 renomm\u00e9e d’apr\u00e8s le scientifique. Descartes est mort il y a presque quatre si\u00e8cles en Su\u00e8de, et il a \u00e9t\u00e9 enterr\u00e9 \u00e0 l’\u00e9glise de Saint Germain des Pr\u00e9s \u00e0 Paris.<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

Sources<\/strong><\/p>\n

https:\/\/plato.stanford.edu\/entries\/descartes\/<\/p>\n

https:\/\/plato.stanford.edu\/entries\/descartes-works\/<\/p>\n

https:\/\/en.wikipedia.org\/wiki\/Ren\u00e9_Descartes<\/p>\n

https:\/\/ingeniumcanada.org\/scitech\/education\/try-this-out\/broken-pencil-illusion<\/p>\n

https:\/\/www.mathwarehouse.com\/trigonometry\/radians\/s=r-theta-formula-equation.php<\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Ren\u00e9e Descartes\u00a0   Avez-vous d\u00e9j\u00e0 mis un crayon dans l’eau et remarqu\u00e9 que la partie immerg\u00e9e n’est pas align\u00e9e avec celle qui est hors de l’eau? La partie sous l\u2019eau … Read More<\/a><\/p>\n","protected":false},"author":2597,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[184],"tags":[],"class_list":["post-2902","post","type-post","status-publish","format-standard","hentry","category-histoire"],"acf":[],"yoast_head":"\nL'h\u00e9ritage de Ren\u00e9 Descartes - La P'tite Gazette<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites.rutgers.edu\/french-magazine\/rene-descartes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L'h\u00e9ritage de Ren\u00e9 Descartes - La P'tite Gazette\" \/>\n<meta property=\"og:description\" content=\"Ren\u00e9e Descartes\u00a0   Avez-vous d\u00e9j\u00e0 mis un crayon dans l’eau et remarqu\u00e9 que la partie immerg\u00e9e n’est pas align\u00e9e avec celle qui est hors de l’eau? 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