{"version":"1.0","provider_name":"Museu dos Laborat\u00f3rios de Ensino de F\u00edsica - Em Transi\u00e7\u00e3o","provider_url":"https:\/\/www.ufrgs.br\/amlef","author_name":"Gabriel Cury Perrone","author_url":"https:\/\/www.ufrgs.br\/amlef\/author\/gerente\/","title":"Tubo de Goldstein - Raios an\u00f3dicos - Museu dos Laborat\u00f3rios de Ensino de F\u00edsica - Em Transi\u00e7\u00e3o","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"JULlMhKER2\"><a href=\"https:\/\/www.ufrgs.br\/amlef\/2019\/10\/01\/tubo-de-goldstein\/\">Tubo de Goldstein \u2014 Raios an\u00f3dicos<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ufrgs.br\/amlef\/2019\/10\/01\/tubo-de-goldstein\/embed\/#?secret=JULlMhKER2\" width=\"600\" height=\"338\" title=\"&#8220;Tubo de Goldstein \u2014 Raios an\u00f3dicos&#8221; &#8212; Museu dos Laborat\u00f3rios de Ensino de F\u00edsica - Em Transi\u00e7\u00e3o\" data-secret=\"JULlMhKER2\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.ufrgs.br\/amlef\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","description":"O Tubo de Golds\u00adtein \u00e9 um modelo de tubo de des\u00adcarga de g\u00e1s, cujo dife\u00adren\u00adcial \u00e9 possuir um c\u00e1todo (polo nega\u00adtivo) per\u00adfu\u00adrado que o separa em duas c\u00e2maras. Essa carac\u00adte\u00adr\u00eds\u00adtica per\u00admi\u00adtiu o estudo dos cha\u00adma\u00addos raios an\u00f3\u00addi\u00adcos ou raios canal, simi\u00adla\u00adres aos raios cat\u00f3\u00addi\u00adcos, mas que se movem em sentido oposto.&nbsp; Hist\u00f3ria A his\u00adt\u00f3\u00adria dos [&hellip;]","thumbnail_url":"https:\/\/www.ufrgs.br\/amlef\/wp-content\/uploads\/2018\/09\/AMLEF035_01-2-433x1024.jpg"}