{"id":3147,"date":"2009-07-15T06:12:41","date_gmt":"2009-07-15T11:12:41","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=3147"},"modified":"2009-07-15T06:12:41","modified_gmt":"2009-07-15T11:12:41","slug":"found-at-a-yard-sale","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/3147","title":{"rendered":"Found at a Yard Sale?"},"content":{"rendered":"<p>Someone asks, <a href=\"http:\/\/xmb.stuffucanuse.com\/xmb\/viewthread.php?tid=6279\">What is it?<\/a><\/p>\n<p>I surmise this was found at Freddy Roentgen&#8217;s yard sale, selling his grandfather&#8217;s dusty lab equipment.  It&#8217;s an x-ray tube \u2014 boil off electrons, accelerate them and have them slam into the copper target, where they emit bremsstrahlung and also ionize the target, which will give some x-rays during the recombination if it involves inner-shell electrons.  It&#8217;s unshielded, so it&#8217;s probably pretty old and\/or taken out of a shielded device.  I&#8217;d imagine a newer device to be more compact and with more recognizable connectors.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Someone asks, What is it? I surmise this was found at Freddy Roentgen&#8217;s yard sale, selling his grandfather&#8217;s dusty lab equipment. It&#8217;s an x-ray tube \u2014 boil off electrons, accelerate them and have them slam into the copper target, where &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/3147\">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-3147","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\/3147","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=3147"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/3147\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=3147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=3147"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=3147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}