{"version":"1.0","provider_name":"Muzeum skla Frauenau","provider_url":"https:\/\/glasmuseum-frauenau.de\/cz","author_name":"admin","author_url":"https:\/\/glasmuseum-frauenau.de\/cz\/author\/tobiasbals_1kuoq3rs\/","title":"Nat\u00fcrliche Gl\u00e4ser - Glasmuseum Frauenau","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"ubblAwMC1g\"><a href=\"https:\/\/glasmuseum-frauenau.de\/cz\/klickpunkte\/natuerliche-glaeser\/\">P\u0159\u00edrodn\u00ed br\u00fdle<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/glasmuseum-frauenau.de\/cz\/klickpunkte\/natuerliche-glaeser\/embed\/#?secret=ubblAwMC1g\" width=\"600\" height=\"338\" title=\"&quot;P\u0159\u00edrodn\u00ed sklenice&quot; - Muzeum skla Frauenau\" data-secret=\"ubblAwMC1g\" 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:\/\/glasmuseum-frauenau.de\/wp-includes\/js\/wp-embed.min.js\n<\/script>","thumbnail_url":"https:\/\/glasmuseum-frauenau.de\/wp-content\/uploads\/2023\/02\/1-Obsidian-3.jpg","thumbnail_width":1200,"thumbnail_height":801,"description":"Klickpunkt Lernwelt Im Glasmuseum Frauenau Nat\u00fcrliche Gl\u00e4ser und ihre Entstehung Vor \u00fcber 4000 Jahren, in der Bronzezeit, entdeckte der Mensch wahrscheinlich zuf\u00e4llig beim Schmelzen von Metall oder Brennen von Keramik das Glas. Um Glas schmelzen zu k\u00f6nnen, braucht man Quarzsand, Soda und Kalk.Doch nicht nur der Mensch kann Glas herstellen. In der Natur entstehen Gl\u00e4ser [&hellip;]"}