{"id":59967,"date":"2026-04-09T09:46:24","date_gmt":"2026-04-09T07:46:24","guid":{"rendered":"https:\/\/www.esz-ag.de\/?p=59967"},"modified":"2026-04-09T09:46:35","modified_gmt":"2026-04-09T07:46:35","slug":"fun-fact-das-ur-kilogramm-hat-ueber-die-jahre-an-masse-verloren","status":"publish","type":"post","link":"https:\/\/www.esz-ag.de\/en\/presse\/fun-fact-das-ur-kilogramm-hat-ueber-die-jahre-an-masse-verloren\/","title":{"rendered":"Fun Fact: Das Ur-Kilogramm hat \u00fcber die Jahre an Masse verloren\u00a0"},"content":{"rendered":"\n<p>Wussten Sie, dass das urspr\u00fcngliche Ur\u2011Kilogramm aus dem Jahr 1889 im Laufe der Zeit rund 50 Mikrogramm leichter geworden ist? Das entspricht zwar nur in etwa dem Gewicht eines Salzkorns, stellt aber f\u00fcr die Pr\u00e4zisionsmessung ein echtes Problem dar.\u00a0<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wussten Sie, dass das urspr\u00fcngliche Ur\u2011Kilogramm aus dem Jahr 1889 im Laufe der Zeit rund&#8230;<\/p>\n","protected":false},"author":22,"featured_media":52891,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"link","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-59967","post","type-post","status-publish","format-link","has-post-thumbnail","hentry","category-unkategorisiert","post_format-post-format-link"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/posts\/59967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/users\/22"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/comments?post=59967"}],"version-history":[{"count":1,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/posts\/59967\/revisions"}],"predecessor-version":[{"id":59968,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/posts\/59967\/revisions\/59968"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/media\/52891"}],"wp:attachment":[{"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/media?parent=59967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/categories?post=59967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esz-ag.de\/en\/wp-json\/wp\/v2\/tags?post=59967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}