{"id":271,"date":"2008-05-05T07:40:10","date_gmt":"2008-05-05T12:40:10","guid":{"rendered":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/271"},"modified":"2008-05-05T07:40:10","modified_gmt":"2008-05-05T12:40:10","slug":"classic-physics-light-is-an-em-wave","status":"publish","type":"post","link":"http:\/\/blogs.scienceforums.net\/swansont\/archives\/271","title":{"rendered":"Classic Physics:  Light is an EM Wave"},"content":{"rendered":"<p><a href=\"http:\/\/skullsinthestars.com\/2008\/05\/04\/classic-science-paper-otto-wieners-experiment-1890\/\">Classic Science Paper: Otto Wiener\u2019s experiment (1890)<\/a> at Skulls in the Stars.<\/p>\n<blockquote><p>By 1890, then, scientists were interested in seeing whether similar results held for light waves: it seems that a number of scientists remained unconvinced that light truly was just another manifestation of electromagnetic waves! One big obstacle stood in the path of such studies: the smallness of the wavelength of light. Hertz\u2019s radio waves had a wavelength of meters, but visible light has a wavelength on the order of 500 nanometers, or 500 billionths of a meter! Such distances cannot be directly observed with the naked eye, so experimental ingenuity was required &#8211; and Otto Wiener provided it.<\/p><\/blockquote>\n<p>(My own summary of some &#8220;classic&#8221; physics is progressing)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Classic Science Paper: Otto Wiener\u2019s experiment (1890) at Skulls in the Stars. By 1890, then, scientists were interested in seeing whether similar results held for light waves: it seems that a number of scientists remained unconvinced that light truly was &hellip; <a href=\"http:\/\/blogs.scienceforums.net\/swansont\/archives\/271\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,21,39],"tags":[],"class_list":["post-271","post","type-post","status-publish","format-standard","hentry","category-experiments","category-history","category-physics"],"_links":{"self":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/271","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=271"}],"version-history":[{"count":0,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/posts\/271\/revisions"}],"wp:attachment":[{"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/media?parent=271"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/categories?post=271"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blogs.scienceforums.net\/swansont\/wp-json\/wp\/v2\/tags?post=271"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}