{"id":83407,"date":"2026-08-05T09:30:18","date_gmt":"2026-08-05T07:30:18","guid":{"rendered":"https:\/\/edublog.educastur.es\/ixuxu\/?p=83407"},"modified":"2026-08-05T13:53:38","modified_gmt":"2026-08-05T11:53:38","slug":"1914-primer-semaforu-electricu-del-mundu","status":"publish","type":"post","link":"https:\/\/edublog.educastur.es\/ixuxu\/2026\/08\/1914-primer-semaforu-electricu-del-mundu\/","title":{"rendered":"1914: Primer sem\u00e1foru el\u00e9ctricu del mundu"},"content":{"rendered":"<p>\ud83d\udea6 Dos colories ten\u00eda&#8217;l primer sem\u00e1foru el\u00e9ctricu del mundu: <strong>Colorao y verde.<\/strong> Instal\u00f3se&#8217;l 5 d&#8217;agostu de 1914 na esquina de les cais Euclid y East 105th, en Cleveland, Ohio.<strong> La lluz mariello sumar\u00edase reci\u00e9n en 1936, para alvertir el camb\u00e9u ente dambos colores.<\/strong><\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/substackcdn.com\/image\/fetch\/$s_!qLXR!,f_auto,q_auto:good,fl_progressive:steep\/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F31ed2850-c753-4ac9-a181-2ba900b5a41c_1379x752.jpeg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large\" src=\"https:\/\/substackcdn.com\/image\/fetch\/$s_!qLXR!,f_auto,q_auto:good,fl_progressive:steep\/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F31ed2850-c753-4ac9-a181-2ba900b5a41c_1379x752.jpeg\" width=\"1379\" height=\"752\" \/><\/a><\/p>\n<p>Antes d&#8217;esi dispositivu el\u00e9ctricu, Londres y\u00e1 cuntaba con un sem\u00e1foru manual reman\u00e1u con ll\u00e1mpares a gas, instal\u00e1u a fines de 1868 pa regular el tr\u00e1nsitu ferroviariu frente al Parlamentu brit\u00e1nicu. <strong>L&#8217;inventu de Cleveland marc\u00f3 l&#8217;entamu de la regulaci\u00f3n autom\u00e1tica del tr\u00e1ficu urbanu<\/strong>, un sistema que s&#8217;estender\u00eda a les principales ciudaes del mundu nes d\u00e9cades siguientes.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udea6 Dos colories ten\u00eda&#8217;l primer sem\u00e1foru el\u00e9ctricu del mundu: Colorao y verde. Instal\u00f3se&#8217;l 5 d&#8217;agostu de 1914 na esquina de les cais Euclid y East 105th, en Cleveland, Ohio. La lluz mariello sumar\u00edase reci\u00e9n en 1936, para alvertir el camb\u00e9u ente dambos colores. Antes d&#8217;esi dispositivu el\u00e9ctricu, Londres y\u00e1 cuntaba con un sem\u00e1foru manual reman\u00e1u [&hellip;]<\/p>\n","protected":false},"author":117,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107,99],"tags":[],"class_list":["post-83407","post","type-post","status-publish","format-standard","hentry","category-aniversariu","category-inventos"],"_links":{"self":[{"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/posts\/83407","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/users\/117"}],"replies":[{"embeddable":true,"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/comments?post=83407"}],"version-history":[{"count":1,"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/posts\/83407\/revisions"}],"predecessor-version":[{"id":83408,"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/posts\/83407\/revisions\/83408"}],"wp:attachment":[{"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/media?parent=83407"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/categories?post=83407"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/edublog.educastur.es\/ixuxu\/wp-json\/wp\/v2\/tags?post=83407"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}