{"id":624501,"date":"2026-01-18T22:35:07","date_gmt":"2026-01-18T21:35:07","guid":{"rendered":"https:\/\/cronologia-universale.it\/1948-4\/"},"modified":"2026-01-18T22:35:07","modified_gmt":"2026-01-18T21:35:07","slug":"april-1945-2","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/april-1945-2\/","title":{"rendered":"April 1945"},"content":{"rendered":"<p>Los Alamos, New Mexico. Physical chemist Joseph Hirschfelder suddenly enters his colleague John Magee&#8217;s office, shouting, &#8220;What about radioactivity?&#8221; The two will be tasked with estimating the impact of radioactivity on the environment surrounding the Trinity Site in the Jornada del Muerto area. Based on wind and weather conditions, they will have to collaborate on the date and time of the explosion to limit the impact on the region.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los Alamos, New Mexico. Physical chemist Joseph Hirschfelder suddenly enters his colleague John Magee&#8217;s office,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[41],"tags":[],"class_list":["post-624501","post","type-post","status-publish","format-standard","hentry","category-s-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>April 1945 - Cronologia Universale<\/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:\/\/cronologia-universale.it\/en\/april-1945-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"April 1945 - Cronologia Universale\" \/>\n<meta property=\"og:description\" content=\"Los Alamos, New Mexico. 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