{"id":50,"date":"2022-04-27T07:12:54","date_gmt":"2022-04-27T11:12:54","guid":{"rendered":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/chapter\/the-trouble-with-photons\/"},"modified":"2022-05-12T17:52:22","modified_gmt":"2022-05-12T21:52:22","slug":"the-trouble-with-photons","status":"publish","type":"chapter","link":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/chapter\/the-trouble-with-photons\/","title":{"raw":"THE TROUBLE WITH PHOTONS","rendered":"THE TROUBLE WITH PHOTONS"},"content":{"raw":"<div class=\"the-trouble-with-photons\">\r\n<h5 style=\"text-align: right\">p. 22<\/h5>\r\n<h5 style=\"text-align: center\"><strong>They are all over the place!<\/strong><\/h5>\r\nRadiated, diffracted, reflected and scattered <strong><em>photons<\/em><\/strong> come and go in all directions every where around us. And we can\u2019t even see them. We only see the surfaces from whence they came.\r\n\r\n<\/div>\r\n<p class=\"the-trouble-with-photons\">At any location in a room or elsewhere, their rays are all mixed together:<\/p>\r\n<img src=\"http:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-300x182.jpg\" alt=\"\" class=\"alignright wp-image-176\" width=\"550\" height=\"334\" \/>\r\n\r\n<strong>There are no images in the natural world.<\/strong>\r\n\r\nThis enlightened statement is not philosophy, it\u2019s physics.\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n\r\n&nbsp;\r\n<p style=\"text-align: right\">p. 23<\/p>\r\nTo know their source, those rays would have to be sorted with respect to the direction from which they came. Doing that for all of them at once creates an <strong><em>image<\/em><\/strong> of the world around us.\r\n<p class=\"import-Normal\" style=\"margin-left: 48.8pt\"><img src=\"http:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/image19.jpeg\" alt=\"image\" width=\"864.83874015748px\" height=\"443.539947506562px\" \/><\/p>\r\n\r\n<h1 style=\"text-indent: -13.8pt;line-height: 102%;margin: 11.65pt 107.7pt 0.0001pt 140.3pt;text-align: center\">Such sorting would be a Herculean task if the speed of light did not depend on the medium through which it travels.<span style=\"font-weight: normal\"><\/span><\/h1>\r\n<code><\/code>","rendered":"<div class=\"the-trouble-with-photons\">\n<h5 style=\"text-align: right\">p. 22<\/h5>\n<h5 style=\"text-align: center\"><strong>They are all over the place!<\/strong><\/h5>\n<p>Radiated, diffracted, reflected and scattered <strong><em>photons<\/em><\/strong> come and go in all directions every where around us. And we can\u2019t even see them. We only see the surfaces from whence they came.<\/p>\n<\/div>\n<p class=\"the-trouble-with-photons\">At any location in a room or elsewhere, their rays are all mixed together:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-300x182.jpg\" alt=\"\" class=\"alignright wp-image-176\" width=\"550\" height=\"334\" srcset=\"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-300x182.jpg 300w, https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-1024x622.jpg 1024w, https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-768x467.jpg 768w, https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-1536x933.jpg 1536w, https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-2048x1244.jpg 2048w, https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-65x39.jpg 65w, https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-225x137.jpg 225w, https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/proton-2-350x213.jpg 350w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/p>\n<p><strong>There are no images in the natural world.<\/strong><\/p>\n<p>This enlightened statement is not philosophy, it\u2019s physics.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: right\">p. 23<\/p>\n<p>To know their source, those rays would have to be sorted with respect to the direction from which they came. Doing that for all of them at once creates an <strong><em>image<\/em><\/strong> of the world around us.<\/p>\n<p class=\"import-Normal\" style=\"margin-left: 48.8pt\"><img decoding=\"async\" src=\"http:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-content\/uploads\/sites\/69\/2022\/04\/image19.jpeg\" alt=\"image\" width=\"864.83874015748px\" height=\"443.539947506562px\" \/><\/p>\n<h1 style=\"text-indent: -13.8pt;line-height: 102%;margin: 11.65pt 107.7pt 0.0001pt 140.3pt;text-align: center\">Such sorting would be a Herculean task if the speed of light did not depend on the medium through which it travels.<span style=\"font-weight: normal\"><\/span><\/h1>\n<p><code><\/code><\/p>\n","protected":false},"author":28,"menu_order":9,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-50","chapter","type-chapter","status-publish","hentry"],"part":3,"_links":{"self":[{"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/pressbooks\/v2\/chapters\/50","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/wp\/v2\/users\/28"}],"version-history":[{"count":10,"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/pressbooks\/v2\/chapters\/50\/revisions"}],"predecessor-version":[{"id":371,"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/pressbooks\/v2\/chapters\/50\/revisions\/371"}],"part":[{"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/pressbooks\/v2\/parts\/3"}],"metadata":[{"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/pressbooks\/v2\/chapters\/50\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/wp\/v2\/media?parent=50"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/pressbooks\/v2\/chapter-type?post=50"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/wp\/v2\/contributor?post=50"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.library.upei.ca\/danceofphotons\/wp-json\/wp\/v2\/license?post=50"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}