{"id":12529,"date":"2012-10-03T03:00:14","date_gmt":"2012-10-03T08:00:14","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=12529"},"modified":"2012-10-03T03:00:14","modified_gmt":"2012-10-03T08:00:14","slug":"master-of-my-domain","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/12529","title":{"rendered":"Master of My Domain"},"content":{"rendered":"<p><a href=\"http:\/\/skullsinthestars.com\/2012\/10\/01\/making-magnets-speak-the-barkhausen-effect\/\">Making magnets speak: the Barkhausen effect<\/a><\/p>\n<blockquote><p>There are two important aspects to this \u201csnapping\u201d of a domain wall past a defect.  First, it explains how iron can stay magnetized after the applied field is shut off: the domain walls try and return to their original position, but they routinely get \u201cstuck\u201d on a defect, leaving the metal partially magnetized.  Second, this \u201csnapping\u201d results in a tiny spike in the magnetic field produced by the metal \u2014 and these tiny sharp changes in the magnetic field are what we are hearing in the Barkhausen effect!<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>Making magnets speak: the Barkhausen effect There are two important aspects to this \u201csnapping\u201d of a domain wall past a defect. First, it explains how iron can stay magnetized after the applied field is shut off: the domain walls try &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/12529\">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":[39,63],"tags":[],"class_list":["post-12529","post","type-post","status-publish","format-standard","hentry","category-physics","category-video"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/12529","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=12529"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/12529\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=12529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=12529"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=12529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}