{"id":6291,"date":"2018-06-08T17:01:21","date_gmt":"2018-06-08T17:01:21","guid":{"rendered":"http:\/\/demos.swarthmore.edu\/physics\/?p=6291"},"modified":"2024-01-19T19:10:37","modified_gmt":"2024-01-19T19:10:37","slug":"arago-spot-simulation","status":"publish","type":"post","link":"https:\/\/demos.swarthmore.edu\/physics\/2018\/06\/arago-spot-simulation\/","title":{"rendered":"Missing Arago Spot"},"content":{"rendered":"<p><a href=\"http:\/\/demos.swarthmore.edu\/physics\/wp-content\/uploads\/sites\/2\/2018\/06\/1026171133.jpg\" rel=\"attachment wp-att-6206\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-6206 aligncenter\" src=\"http:\/\/demos.swarthmore.edu\/physics\/wp-content\/uploads\/sites\/2\/2018\/06\/1026171133-300x169.jpg\" alt=\"1026171133\" width=\"493\" height=\"278\" srcset=\"https:\/\/demos.swarthmore.edu\/physics\/wp-content\/uploads\/sites\/2\/2018\/06\/1026171133-300x169.jpg 300w, https:\/\/demos.swarthmore.edu\/physics\/wp-content\/uploads\/sites\/2\/2018\/06\/1026171133-768x432.jpg 768w, https:\/\/demos.swarthmore.edu\/physics\/wp-content\/uploads\/sites\/2\/2018\/06\/1026171133-1024x576.jpg 1024w, https:\/\/demos.swarthmore.edu\/physics\/wp-content\/uploads\/sites\/2\/2018\/06\/1026171133-772x434.jpg 772w, https:\/\/demos.swarthmore.edu\/physics\/wp-content\/uploads\/sites\/2\/2018\/06\/1026171133-624x351.jpg 624w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><\/a><\/p>\n<ul>\n<li>This demo is meant to illustrate what would happen if photons behaved like classical particles, or bb&#8217;s.<\/li>\n<li>Bb&#8217;s act as photons, and circular platform acts as a &#8220;light&#8221; barrier.<\/li>\n<li>With paper and carbon paper under the platform, pour the bb&#8217;s onto the platform. BB&#8217;s will scatter off and make marks on the paper underneath the platform where they hit. <em><strong>Spoiler alert:<\/strong> They don&#8217;t make an Arago spot.<\/em><\/li>\n<li>Use funnel to obtain uniformly vertical stream.<\/li>\n<li>Copper sheet provides hard, low-bounce surface. Long cardboard box, located next to demo, in L01, can be used to prevent scattering of bb&#8217;s across table surface.<\/li>\n<li>Demo Located in L01, section C1.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>This demo is meant to illustrate what would happen if photons behaved like classical particles, or bb&#8217;s. Bb&#8217;s act as photons, and circular platform acts as a &#8220;light&#8221; barrier. With paper and carbon paper under the platform, pour the bb&#8217;s onto the platform. BB&#8217;s will scatter off and make marks on the paper underneath the &hellip; <a href=\"https:\/\/demos.swarthmore.edu\/physics\/2018\/06\/arago-spot-simulation\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Missing Arago Spot<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":6206,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80,50,61],"tags":[696,697,567],"_links":{"self":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/6291"}],"collection":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/comments?post=6291"}],"version-history":[{"count":6,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/6291\/revisions"}],"predecessor-version":[{"id":6297,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/posts\/6291\/revisions\/6297"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/media\/6206"}],"wp:attachment":[{"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/media?parent=6291"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/categories?post=6291"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demos.swarthmore.edu\/physics\/wp-json\/wp\/v2\/tags?post=6291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}