{"id":1379,"date":"2008-06-28T23:40:16","date_gmt":"2008-06-29T02:40:16","guid":{"rendered":"https:\/\/www.gluon.com.br\/blog\/2008\/06\/28\/tempo-entropia\/"},"modified":"2014-03-31T12:52:38","modified_gmt":"2014-03-31T12:52:38","slug":"tempo-entropia","status":"publish","type":"post","link":"https:\/\/www.gluon.com.br\/blog\/2008\/06\/28\/tempo-entropia\/","title":{"rendered":"Entropia e a seta do tempo"},"content":{"rendered":"<p><img src='https:\/\/www.gluon.com.br\/blog\/wp-content\/uploads\/2008\/06\/capa-sciam-74.jpg' alt='capa-sciam-74.jpg' \/><br \/>\nA mat\u00e9ria de capa da <strong>Scientific American Brasil<\/strong> do m\u00eas de julho trata da seta c\u00f3smica do tempo.<br \/>\nA abordagem \u00e9 centrada no entendimento da rela\u00e7\u00e3o entre a entropia e a cosmologia. O autor, <strong>Sean Carroll<\/strong>, aos poucos deixa transparecer que o assunto n\u00e3o \u00e9 f\u00e1cil e n\u00e3o est\u00e1 totalmente entendido. Sempre que novas informa\u00e7\u00f5es cosmol\u00f3gicas surgem, a entropia aparece como quest\u00e3o a ser abordada e interpretada.<br \/>\nA exist\u00eancia de buracos negros levantou a quest\u00e3o de como a entropia seria interpretada nestas condi\u00e7\u00f5es, j\u00e1 que a atra\u00e7\u00e3o gravitacional intensa parecia causar diminui\u00e7\u00e3o da entropia. No entanto, Stephen Hawking demonstrou em seus estudos que os buracos negros t\u00eam entropia, e muita!<\/p>\n<p><strong><a href=\"http:\/\/www2.uol.com.br\/sciam\/\">http:\/\/www2.uol.com.br\/sciam\/<\/a><\/strong><\/p>\n<p>Sean Carroll \u00e9 um dos contribuidores do <a href=\"http:\/\/blogs.discovermagazine.com\/cosmicvariance\/\">excelente blog Cosmic Variance<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A mat\u00e9ria de capa da Scientific American Brasil do m\u00eas de julho trata da seta c\u00f3smica do tempo. A abordagem \u00e9 centrada no entendimento da rela\u00e7\u00e3o entre a entropia e a cosmologia. O autor, Sean Carroll, aos poucos deixa transparecer que o assunto n\u00e3o \u00e9 f\u00e1cil e n\u00e3o est\u00e1 totalmente entendido. Sempre que novas informa\u00e7\u00f5es cosmol\u00f3gicas surgem, a entropia aparece como quest\u00e3o a ser abordada e interpretada. A exist\u00eancia de buracos negros levantou a quest\u00e3o de como a entropia seria interpretada nestas condi\u00e7\u00f5es, j\u00e1 que a atra\u00e7\u00e3o gravitacional intensa parecia causar diminui\u00e7\u00e3o da entropia. No entanto, Stephen Hawking demonstrou em <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,18],"tags":[],"class_list":["post-1379","post","type-post","status-publish","format-standard","hentry","category-astronomia","category-fisico-quimica"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"A mat\u00e9ria de capa da Scientific American Brasil do m\u00eas de julho trata da seta c\u00f3smica do tempo. A abordagem \u00e9 centrada no entendimento da rela\u00e7\u00e3o entre a entropia e a cosmologia. O autor, Sean Carroll, aos poucos deixa transparecer que o assunto n\u00e3o \u00e9 f\u00e1cil e n\u00e3o est\u00e1 totalmente entendido. 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