{"id":770,"date":"2007-12-16T00:53:52","date_gmt":"2007-12-16T05:53:52","guid":{"rendered":"http:\/\/softbeam.net\/hobby\/?p=770"},"modified":"2007-12-16T00:53:52","modified_gmt":"2007-12-16T05:53:52","slug":"holographic-picture","status":"publish","type":"post","link":"http:\/\/softbeam.net\/hobby\/?p=770","title":{"rendered":"holographic picture"},"content":{"rendered":"<p>see what APOD says about it:<\/p>\n<p>[singlepic=117,300,300,,center]<\/p>\n<p><strong> Explanation: <\/strong> Is this picture worth a thousand words?    According to the <a href=\"http:\/\/en.wikipedia.org\/wiki\/Holographic_principle\">Holographic Principle<\/a>, the most information you can get from this image is about  3 x <a href=\"http:\/\/www.newton.dep.anl.gov\/newton\/askasci\/1995\/math\/MATH014.HTM\">10<sup>65<\/sup><\/a> bits for a normal sized computer monitor.    The <a href=\"http:\/\/www.damtp.cam.ac.uk\/user\/gr\/public\/holo\/\">Holographic Principle<\/a>, yet unproven, states that  there is a maximum amount of information content  held by regions adjacent to any surface.    Therefore, counter-intuitively, the information content  inside a room depends not on the volume of the room but  on the area of the bounding walls.    The principle derives from the idea that the  <a href=\"http:\/\/www.physlink.com\/Education\/AskExperts\/ae281.cfm\">Planck length<\/a>, the length scale where  <a href=\"http:\/\/en.wikipedia.org\/wiki\/Quantum_mechanics\">quantum mechanics<\/a> begins to dominate  <a href=\"http:\/\/www-groups.dcs.st-and.ac.uk\/%7Ehistory\/HistTopics\/General_relativity.html\">classical gravity<\/a>, is one side of an area  that can hold only about one bit of information.    The limit was <a href=\"http:\/\/www.arxiv.org\/abs\/gr-qc\/9310026\">first postulated<\/a> by physicist  <a href=\"http:\/\/www.phys.uu.nl\/%7Ethooft\/\">Gerard &#8216;t Hooft<\/a> in 1993.    It can arise from generalizations from seemingly  <a href=\"http:\/\/www.arxiv.org\/abs\/hep-th\/0203101\">distant speculation<\/a> that the information held by a  <a href=\"http:\/\/imagine.gsfc.nasa.gov\/docs\/ask_astro\/black_holes.html\">black hole<\/a> is determined not by its  enclosed volume but by the surface area of its  <a href=\"http:\/\/archive.ncsa.uiuc.edu\/Cyberia\/NumRel\/BlackHoleAnat.html\">event horizon<\/a>.    The term &#8220;holographic&#8221; arises from a  <a href=\"http:\/\/www.holograms.bc.ca\/faq.htm\">hologram<\/a> analogy where three-dimension images are  created by projecting light though a flat screen.    Beware, other people looking at the  <a href=\"http:\/\/www.dna.caltech.edu\/%7Ewinfree\/old_html\/Images\/shrunkpot2.gif\">above image<\/a> may not claim to see 3 x 10<sup>65<\/sup> bits &#8212;  they might claim to see a  <a href=\"http:\/\/www.teapots.net\/\">teapot<\/a>.<\/p>\n<p>As I remembered,  this kind of picture had been popular as postcards when I was a junior in university, especially around 1994.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>see what APOD says about it: [singlepic=117,300,300,,center] Explanation: Is this picture worth a thousand words? According to the Holographic Principle, the most information you can get from this image is about 3 x 1065 bits for a normal sized computer monitor. The Holographic Principle, yet unproven, states that there is a maximum amount of information &hellip; <a href=\"http:\/\/softbeam.net\/hobby\/?p=770\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;holographic picture&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-770","post","type-post","status-publish","format-standard","hentry","category-physical"],"_links":{"self":[{"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=\/wp\/v2\/posts\/770","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=770"}],"version-history":[{"count":0,"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=\/wp\/v2\/posts\/770\/revisions"}],"wp:attachment":[{"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=770"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/softbeam.net\/hobby\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}