{"id":37741,"date":"2026-01-03T15:38:22","date_gmt":"2026-01-03T15:38:22","guid":{"rendered":"https:\/\/snipool.com\/?p=37741"},"modified":"2026-01-03T15:38:22","modified_gmt":"2026-01-03T15:38:22","slug":"les-premieres-bombes-atomiques","status":"publish","type":"post","link":"https:\/\/snipool.com\/fr\/les-premieres-bombes-atomiques\/","title":{"rendered":"Les premi\u00e8res bombes atomiques"},"content":{"rendered":"<p>Les premi\u00e8res bombes atomiques ont \u00e9t\u00e9 mises au point aux Etats-Unis pendand la seconde guerre mondiale. Les centres de recherches atomiques d\u2019Oak Ridge, de Los Alamos et de Hanford construisirent une bombe \u00e0 l\u2019uranium, \u00e9l\u00e9ment radioactif naturel et deux autres au plutonium, l\u2019\u00e9l\u00e9ment radioactif produit \u00e0 partir de l\u2019uranium.<\/p>\n<p>Le 16 juillet 1945, l\u2019Etat am\u00e9ricain effectue une exp\u00e9rience avec l\u2019une des bombes dans le d\u00e9sert du Nouveau-Mexique, \u00e9tat du sud-ouest du pays. La puissance de cette bombe, largu\u00e9e dans le d\u00e9sert, est \u00e9valu\u00e9e \u00e0 13 kilotonnes, soit l\u2019\u00e9quivalent de 13 000 tonnes de tolite, l\u2019explosif le plus puissant \u00e0 l\u2019\u00e9poque.<\/p>\n<p>L\u2019exp\u00e9rience m\u00e8ne \u00e0 la construction de la bombe <em>Little Boy<\/em>, l\u00e2ch\u00e9e par l\u2019avion <em>B-29 Enola Gay<\/em> sur la ville d\u2019Hiroshima le 6 ao\u00fbt 1945.<\/p>\n<p>Le 9 ao\u00fbt 1945, la bombe <em>Fat Man<\/em>, est largu\u00e9e de l\u2019avion le <em>B-29 Bock\u2019s Car<\/em> sur Nagasaki.<\/p>\n<p>En 1941 le Japon entre en guerre dans la seconde guerre mondiale aux c\u00f4t\u00e9s de l\u2019Allemagne nazie. Apr\u00e8s avoir attaqu\u00e9 la base militaire de Pearl Harbor, les Am\u00e9ricains l\u00e2chent en repr\u00e9saille les deux bombes atomiques sur Hiroshima et Nagasaki, ce qui en d\u00e9coule, la capitulation du Japon.<\/p>\n<p>A Hiroshima, un des principaux ports du Japon, la bombe d\u00e9truit 90% de la ville et fait plus de 130 000 victimes, dont 80 000 tu\u00e9s.<\/p>\n<p>La deuxi\u00e8me bombe lanc\u00e9e sur le port de Nagasaki fait 80 000 victimes et conduit \u00e0 la capitulation du Japon.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les premi\u00e8res bombes atomiques ont \u00e9t\u00e9 mises au point aux Etats-Unis pendand la seconde guerre mondiale. Les centres de recherches atomiques d\u2019Oak Ridge, de Los Alamos et de Hanford construisirent une bombe \u00e0 l\u2019uranium, \u00e9l\u00e9ment radioactif naturel et deux autres au plutonium, l\u2019\u00e9l\u00e9ment radioactif produit \u00e0 partir de l\u2019uranium. Le 16 juillet 1945, l\u2019Etat am\u00e9ricain &hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1089],"tags":[7035,14072,14074,7684,14073,10926,13494],"snipool_ingredient":[],"class_list":["post-37741","post","type-post","status-publish","format-standard","hentry","category-le-monde","tag-aux-etats-unis","tag-bombes-atomiques","tag-la-bombe-little-boy","tag-la-seconde-guerre-mondiale","tag-le-desert-du-nouveau-mexique","tag-nagasaki","tag-pearl-harbor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Les premi\u00e8res bombes atomiques - Snipool<\/title>\n<meta name=\"description\" content=\"L\u2019exp\u00e9rience m\u00e8ne \u00e0 la construction de la bombe Little Boy, l\u00e2ch\u00e9e par l\u2019avion B-29 Enola Gay.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/snipool.com\/fr\/les-premieres-bombes-atomiques\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les premi\u00e8res bombes atomiques - 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