{"id":7841,"date":"2026-03-16T08:28:19","date_gmt":"2026-03-16T15:28:19","guid":{"rendered":"https:\/\/theoryofeverything.org\/theToE\/?p=7841"},"modified":"2026-03-18T14:50:43","modified_gmt":"2026-03-18T21:50:43","slug":"e8-and-h4-stainless-steel-and-glass-sculpture-in-tucson","status":"publish","type":"post","link":"https:\/\/theoryofeverything.org\/theToE\/2026\/03\/16\/e8-and-h4-stainless-steel-and-glass-sculpture-in-tucson\/","title":{"rendered":"E8 and H4 Stainless Steel and Glass Sculpture in Tucson"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2427\" height=\"4788\" src=\"http:\/\/theoryofeverything.org\/theToE\/wp-content\/uploads\/2026\/03\/H4_600-cell_Pentakis-Icosidodecahedron.jpg\" alt=\"\" class=\"wp-image-7842\"\/><\/figure>\n\n\n\n<p>Stainless &amp; Glass Public Art Sculpture in Tucson By <a href=\"https:\/\/www.rayking.nu\/\">Ray King<\/a>. <\/p>\n\n\n\n<p>It&#8217;s shape is similar to, but not exactly, a Pentakis Icosidodecahedron, which is 3D the orthographic shadow of the 4D of H<sub>4<\/sub> (and H<sub>4<\/sub>\u03c6) 600-cell (s) obtained by folding the 8D object (E8) to 4D. E8 is also known as the 4<sub>21<\/sub> polytope.<\/p>\n\n\n\n<p>I thought it was interesting that the 2D color shadow on the patio that looks like my E8 diagram called a E8 Petrie Projection:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"940\" height=\"944\" src=\"http:\/\/theoryofeverything.org\/theToE\/wp-content\/uploads\/2023\/08\/E8Petrie.png\" alt=\"\" class=\"wp-image-6153\" srcset=\"https:\/\/theoryofeverything.org\/theToE\/wp-content\/uploads\/2023\/08\/E8Petrie.png 940w, https:\/\/theoryofeverything.org\/theToE\/wp-content\/uploads\/2023\/08\/E8Petrie-498x500.png 498w, https:\/\/theoryofeverything.org\/theToE\/wp-content\/uploads\/2023\/08\/E8Petrie-150x150.png 150w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><\/figure>\n\n\n\n<p><a href=\"https:\/\/www.rayking.nu\/\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Stainless &amp; Glass Public Art Sculpture in Tucson By Ray King. It&#8217;s shape is similar to, but not exactly, a Pentakis Icosidodecahedron, which is 3D the orthographic shadow of the 4D of H4 (and H4\u03c6) 600-cell (s) obtained by folding the 8D object (E8) to 4D. E8 is also known as the 421 polytope. I &hellip; <a href=\"https:\/\/theoryofeverything.org\/theToE\/2026\/03\/16\/e8-and-h4-stainless-steel-and-glass-sculpture-in-tucson\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">E8 and H4 Stainless Steel and Glass Sculpture in Tucson<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,3],"tags":[8,13,7,4,34],"class_list":["post-7841","post","type-post","status-publish","format-standard","hentry","category-personal","category-physics","tag-3d","tag-4d","tag-art","tag-e8","tag-h4"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/posts\/7841","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/comments?post=7841"}],"version-history":[{"count":4,"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/posts\/7841\/revisions"}],"predecessor-version":[{"id":7849,"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/posts\/7841\/revisions\/7849"}],"wp:attachment":[{"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/media?parent=7841"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/categories?post=7841"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/theoryofeverything.org\/theToE\/wp-json\/wp\/v2\/tags?post=7841"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}