{"id":12180,"date":"2023-10-08T17:35:27","date_gmt":"2023-10-08T21:35:27","guid":{"rendered":"https:\/\/spinor.info\/weblog\/?p=12180"},"modified":"2023-10-10T00:50:35","modified_gmt":"2023-10-10T04:50:35","slug":"gravitational-lenses","status":"publish","type":"post","link":"https:\/\/spinor.info\/weblog\/?p=12180","title":{"rendered":"Gravitational lenses"},"content":{"rendered":"<p>I am simulating gravitational lenses, ray tracing the diffracted light.<\/p>\n<p>With multiple lenses, the results can be absolutely fascinating. Here&#8217;s a case of four lenses, three static, a fourth lens transiting in front of the other three, with the light source a fuzzy sphere in the background.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-12185\" src=\"https:\/\/spinor.info\/weblog\/wp-content\/uploads\/2023\/10\/newqtrw.gif\" alt=\"\" width=\"640\" height=\"400\" \/><\/p>\n<p>I can&#8217;t stop looking at this animation. It almost feels&#8230; organic. Yet the math behind it is just high school math, a bit of geometry and trigonometry, nothing more.<\/p>\n<p>NB: This post has been edited with an updated, physically more accurate animation.<\/p>\n<fb:like href='https:\/\/spinor.info\/weblog\/?p=12180' send='false' layout='button_count' show_faces='true' width='450' height='65' action='like' colorscheme='light' font='lucida grande'><\/fb:like>","protected":false},"excerpt":{"rendered":"<p>I am simulating gravitational lenses, ray tracing the diffracted light. With multiple lenses, the results can be absolutely fascinating. Here&#8217;s a case of four lenses, three static, a fourth lens transiting in front of the other three, with the light source a fuzzy sphere in the background. I can&#8217;t stop looking at this animation. It <a href='https:\/\/spinor.info\/weblog\/?p=12180' class='excerpt-more'>[&#8230;]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20,30,3],"tags":[],"class_list":["post-12180","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-mathematics","category-physics","category-20-id","category-30-id","category-3-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/12180","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12180"}],"version-history":[{"count":3,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/12180\/revisions"}],"predecessor-version":[{"id":12187,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/12180\/revisions\/12187"}],"wp:attachment":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12180"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12180"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12180"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}