{"version":"1.0","provider_name":"Librer\u00eda Gisbert","provider_url":"https:\/\/libreriagisbert.com\/ebooks","author_name":"libreria-gisbert-v2a","author_url":"https:\/\/libreriagisbert.com\/ebooks\/author\/libreria-gisbert-v2a\/","title":"Pifias matem\u00e1ticas - Librer\u00eda Gisbert","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"CTnesnTbb0\"><a href=\"https:\/\/libreriagisbert.com\/ebooks\/libro\/pifias-matematicas\/\">Pifias matem\u00e1ticas<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/libreriagisbert.com\/ebooks\/libro\/pifias-matematicas\/embed\/#?secret=CTnesnTbb0\" width=\"600\" height=\"338\" title=\"\u00abPifias matem\u00e1ticas\u00bb \u2014 Librer\u00eda Gisbert\" data-secret=\"CTnesnTbb0\" 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\/* ]]> *\/\n<\/script>\n","description":"\u00bfQu\u00e9 hace que un puente se tambalee cuando no estaba previsto que fuera as\u00ed? \u00bfC\u00f3mo es posible que miles de millones de euros se esfumen en un instante? \u00bfO que un edificio tiemble cuando una clase de gimnasia que salta al ritmo de una determinada canci\u00f3n iguala su frecuencia de resonancia? La respuesta a todas [&hellip;]"}