{"id":7758,"date":"2011-01-26T03:00:54","date_gmt":"2011-01-26T08:00:54","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=7758"},"modified":"2011-01-26T03:00:54","modified_gmt":"2011-01-26T08:00:54","slug":"spot-welding-has-nothing-to-do-with-dogs","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/7758","title":{"rendered":"Spot Welding Has Nothing to Do with Dogs"},"content":{"rendered":"<p><a href=\"http:\/\/twistedphysics.typepad.com\/cocktail_party_physics\/2011\/01\/welding-a-matter-of-life-and-death.html\">Cocktail Party Physics:  welding: a matter of life and death.<\/a><\/p>\n<blockquote><p>The arc works on the same principle as spark plugs:  electrons build up on the tip of the electrode.  Charges of the same type want to be as far as possible from each other, but there&#8217;s only so much space on the tip for the charges to sit.  When the electrons reach a critical concentration, they are so repulsed by each other that they jump through the air gap to get away from each other.  Once in the metal that you&#8217;re trying to join, the electrons are free to move around and maximize their distance from each other.<\/p><\/blockquote>\n<p>I learned a little about how to arc weld when I was young \u2014 my neighbor had a machine, and many odd bits of iron got welded together for practice.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cocktail Party Physics: welding: a matter of life and death. The arc works on the same principle as spark plugs: electrons build up on the tip of the electrode. Charges of the same type want to be as far as &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/7758\">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":[39,53],"tags":[],"class_list":["post-7758","post","type-post","status-publish","format-standard","hentry","category-physics","category-tech"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/7758","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=7758"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/7758\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=7758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=7758"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=7758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}