{"id":27669,"date":"2023-12-31T01:03:05","date_gmt":"2023-12-31T05:03:05","guid":{"rendered":"https:\/\/phsc.ca\/camera\/?p=27669"},"modified":"2023-12-29T00:21:32","modified_gmt":"2023-12-29T04:21:32","slug":"smart-lens","status":"publish","type":"post","link":"https:\/\/phsc.ca\/camera\/smart-lens\/","title":{"rendered":"smart lens &#8230;"},"content":{"rendered":"<div id=\"attachment_27671\" style=\"width: 199px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/phsc.ca\/camera\/wp-content\/uploads\/2023\/12\/Einstein.jpg\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-27671\" class=\"size-full wp-image-27671\" src=\"https:\/\/phsc.ca\/camera\/wp-content\/uploads\/2023\/12\/Einstein-sm.jpg\" alt=\"\" width=\"189\" height=\"225\" \/><\/a><p id=\"caption-attachment-27671\" class=\"wp-caption-text\">Victoria Fisher of U of T holds the century old &#8216;smart lens&#8217; &#8211; Photo by Dan Falk<\/p><\/div>\n<p><strong>Toronto<\/strong>. We are familiar nowadays with smartphones, but what about a smart lens? Just over a century ago (1922), the lens shown here went to Australia to aid in proving a theory published in 1916. Another example of the valuable use of photography to the world.<\/p>\n<p>Over a century ago in 1905 (special) and 1915 (general) a young Albert Einstein came up with his &#8220;<a href=\"https:\/\/en.wikipedia.org\/wiki\/Theory_of_relativity\">Theory of Relativity<\/a>&#8220;. Even today, it isn&#8217;t uncommon for a theory to precede proof by many years.<\/p>\n<p>Young Einstein&#8217;s work was based on that of many of his \u00a0predecessors, including <a href=\"https:\/\/phsc.ca\/camera\/wp-content\/uploads\/2023\/12\/speed.jpg\">A A Michelson<\/a> (this\u00a0 biography I read back in the summer of 1962).<\/p>\n<div class=\"center-caption\">\n<p>The U of T magazine for October, 11, 2023<a href=\"https:\/\/magazine.utoronto.ca\/campus\/history\/the-einstein-camera\/\"> includes an article by Victoria Fisher, the assistant curator of U of T&#8217;s Scientific Instruments Collection and Dan Falk<\/a>, called &#8220;The Einstein Camera&#8221;. In this photo by Falk, Fisher, &#8220;holds up the lens that travelled to Australia and back more than a century ago. In May 2023, Fisher uncovered the lens in the David A. Dunlap Department of Astronomy and Astrophysics&#8217; historic collections, where it had lain forgotten for decades.&#8221;<\/p>\n<p>My thanks to good friend and fellow photo historian, George Dunbar, for finding and sharing this article with us (I still have the book on Michelson).<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Toronto. We are familiar nowadays with smartphones, but what about a smart lens? Just over a century ago (1922), the lens shown here went to Australia to aid in proving a theory published in 1916. Another example of the valuable &hellip; <a href=\"https:\/\/phsc.ca\/camera\/smart-lens\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1944],"tags":[526,1076,4511,4513,401,100,4512],"class_list":["post-27669","post","type-post","status-publish","format-standard","hentry","category-history","tag-astronomy","tag-australia","tag-david-dunlap-overvatory","tag-eclipse-1922","tag-lens","tag-photography","tag-richmond-hill"],"_links":{"self":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/27669","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/comments?post=27669"}],"version-history":[{"count":2,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/27669\/revisions"}],"predecessor-version":[{"id":27674,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/posts\/27669\/revisions\/27674"}],"wp:attachment":[{"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/media?parent=27669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/categories?post=27669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phsc.ca\/camera\/wp-json\/wp\/v2\/tags?post=27669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}