{"id":1470,"date":"2009-02-13T09:01:06","date_gmt":"2009-02-13T14:01:06","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/?p=1470"},"modified":"2009-02-13T09:01:06","modified_gmt":"2009-02-13T14:01:06","slug":"come-in-here-dear-boy-have-a-cigar","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/1470","title":{"rendered":"Come in Here, Dear Boy, Have a Cigar"},"content":{"rendered":"<p><em>By the way, which one&#8217;s Pink?<\/em><\/p>\n<p>The Factual One ponders <a href=\"http:\/\/scienceblogs.com\/builtonfacts\/2009\/02\/the_physics_of_pink_floyd.php\">The physics of&#8230; Pink Floyd?<\/a><\/p>\n<blockquote><p>What&#8217;s more interesting is the fact that the refractive index is generally not a constant. Within the same material it can be different for different wavelengths. Usually &#8211; but not quite always &#8211; higher frequency light experiences a higher refractive index. It gets bent harder. It&#8217;s not obvious at the level of classes I teach why this should be so. Since the details aren&#8217;t really the key issue, the main thing to remember whether it&#8217;s high frequency or high wavelength that gets bent most strongly. It can be difficult to remember, until I remind the class about this:<\/p>\n<p>[cue Dark Side of the Moon album cover]\n<\/p><\/blockquote>\n<p>More discussion at <a href=\"http:\/\/scienceblogs.com\/pontiff\/2009\/02\/over_at_the_fact_builders.php\">The Quantum Pontiff<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>By the way, which one&#8217;s Pink? The Factual One ponders The physics of&#8230; Pink Floyd? What&#8217;s more interesting is the fact that the refractive index is generally not a constant. Within the same material it can be different for different &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/1470\">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":[32,39],"tags":[],"class_list":["post-1470","post","type-post","status-publish","format-standard","hentry","category-music","category-physics"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/1470","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=1470"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/1470\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=1470"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=1470"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=1470"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}