{"version":"1.0","provider_name":"Rinc\u00f3n educativo","provider_url":"https:\/\/rinconeducativo.org\/en\/","author_name":"lgala","author_url":"https:\/\/rinconeducativo.org\/en\/author\/lgala\/","title":"Discovery of radon - Rinc\u00f3n educativo","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"MEzGRSQfAg\"><a href=\"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/discovery-of-radon\/\">Discovery of radon<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/discovery-of-radon\/embed\/#?secret=MEzGRSQfAg\" width=\"600\" height=\"338\" title=\"&#8220;Discovery of radon&#8221; &#8212; Rinc\u00f3n educativo\" data-secret=\"MEzGRSQfAg\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\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:\/\/rinconeducativo.org\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/rinconeducativo.org\/wp-content\/uploads\/2023\/05\/Radon_Espectro_Friedrich_Dorn.webp","thumbnail_width":1200,"thumbnail_height":601,"description":"In 1900, Dorn discovered the fifth known radioactive chemical element after uranium, thorium, radium, and polonium and named it Radium emanation (Ra Em). It was named because, in some experiments, radium emanated from this radioactive gas."}