{"id":11667,"date":"2012-05-11T03:00:16","date_gmt":"2012-05-11T08:00:16","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=11667"},"modified":"2012-05-11T03:00:16","modified_gmt":"2012-05-11T08:00:16","slug":"tug-o-war-physics-style","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/11667","title":{"rendered":"Tug-o-War, Physics Style"},"content":{"rendered":"<p><a href=\"http:\/\/skullsinthestars.com\/2012\/05\/08\/physics-demonstrations-magdeburg-hemispheres\/\">Physics demonstrations: Magdeburg hemispheres<\/a><\/p>\n<blockquote><p>The premise is simple: with the hemispheres pressed together, air is pumped out of the interior, creating at least a partial vacuum.  This seals together the hemispheres with a remarkable force.<\/p>\n<p>Guericke first demonstrated this force in 1654 for the Emperor Ferdinand III.  Thirty horses, in two teams of 15, were unable to pull apart the evacuated hemispheres!  He performed a smaller scale performance in 1656 in his hometown of Magdeburg, using two teams of eight horses.<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Physics demonstrations: Magdeburg hemispheres The premise is simple: with the hemispheres pressed together, air is pumped out of the interior, creating at least a partial vacuum. This seals together the hemispheres with a remarkable force. Guericke first demonstrated this force &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/11667\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,39],"tags":[],"class_list":["post-11667","post","type-post","status-publish","format-standard","hentry","category-history","category-physics"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/11667","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/comments?post=11667"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/11667\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=11667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=11667"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=11667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}