{"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":"Ensayos sobre el silencio - Librer\u00eda Gisbert","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"eZZ1VlWPJc\"><a href=\"https:\/\/libreriagisbert.com\/ebooks\/libro\/ensayos-sobre-el-silencio\/\">Ensayos sobre el silencio<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/libreriagisbert.com\/ebooks\/libro\/ensayos-sobre-el-silencio\/embed\/#?secret=eZZ1VlWPJc\" width=\"600\" height=\"338\" title=\"\u00abEnsayos sobre el silencio\u00bb \u2014 Librer\u00eda Gisbert\" data-secret=\"eZZ1VlWPJc\" 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":"En una conocida an\u00e9cdota, el compositor John Cage cuenta que se introdujo en una c\u00e1mara anecoica con la esperanza de escuchar el silencio absoluto. Llevaba poco rato encerrado cuando escuch\u00f3 dos sonidos, uno agudo y otro grave. El ingeniero encargado de la c\u00e1mara le explic\u00f3 que el agudo era el ruido de su sistema nervioso [&hellip;]"}