{"id":52072,"date":"2018-07-31T12:11:25","date_gmt":"2018-07-31T10:11:25","guid":{"rendered":"https:\/\/theworldwidejournal.com\/2018\/07\/31\/la-batalla-cientifica-para-que-un-kilo-siempre-sea-un-kilo\/"},"modified":"2018-07-31T12:11:25","modified_gmt":"2018-07-31T10:11:25","slug":"la-batalla-cientifica-para-que-un-kilo-siempre-sea-un-kilo","status":"publish","type":"post","link":"https:\/\/theworldwidejournal.com\/?p=52072","title":{"rendered":"La batalla cient\u00edfica para que un kilo siempre sea un kilo"},"content":{"rendered":"<p>\u201cEs un esc\u00e1ndalo\u201d, dice William Phillips, premio Nobel de F\u00edsica en 1997, \u201cque la unidad de masa todav\u00eda sea un objeto f\u00edsico\u201d. Con guantes de tela, Phillips muestra un peso met\u00e1lico a los asistentes de la vig\u00e9simo-sexta conferencia internacional de f\u00edsica at\u00f3mica, en Barcelona. Es una r\u00e9plica del Prototipo de Kilogramo Internacional (IPK), el cilindro de platino-iridio guardado bajo tres llaves en un s\u00f3tano de Par\u00eds que define la unidad de masa del Sistema Internacional desde el siglo XIX. \u201cSi ensucio esto con mis manos, autom\u00e1ticamente pesar\u00e9is todos menos\u201d, explica ante las risas del p\u00fablico.\u201cEsto hay que arreglarlo\u201d, a\u00f1ade, serio.Seguir leyendo.<br \/>\nVia: <a href=\"https:\/\/elpais.com\/elpais\/2018\/07\/30\/ciencia\/1532936144_774322.html#?ref=rss&#038;format=simple&#038;link=link\" target=\"_blank\">La batalla cient\u00edfica para que un kilo siempre sea un kilo<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201cEs un esc\u00e1ndalo\u201d, dice William Phillips, premio Nobel de F\u00edsica en 1997, \u201cque la unidad de masa todav\u00eda sea un objeto f\u00edsico\u201d. Con guantes de tela, Phillips muestra un peso met\u00e1lico a los asistentes de la vig\u00e9simo-sexta conferencia internacional de f\u00edsica at\u00f3mica, en Barcelona. Es una r\u00e9plica del Prototipo de [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-52072","post","type-post","status-publish","format-standard","hentry","category-spanish"],"_links":{"self":[{"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=\/wp\/v2\/posts\/52072","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=52072"}],"version-history":[{"count":0,"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=\/wp\/v2\/posts\/52072\/revisions"}],"wp:attachment":[{"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=52072"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=52072"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theworldwidejournal.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=52072"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}