{"version":"1.0","provider_name":"Museo de Ecolog\u00eda Humana","provider_url":"https:\/\/museoecologiahumana.org\/en\/","title":"Black ink (I): Carbon ink - Museo de Ecolog\u00eda Humana","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"WUK90BWnGR\"><a href=\"https:\/\/museoecologiahumana.org\/en\/obras\/black-ink-i-carbon-ink\/\">Black ink (I): Carbon ink<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/museoecologiahumana.org\/en\/obras\/black-ink-i-carbon-ink\/embed\/#?secret=WUK90BWnGR\" width=\"600\" height=\"338\" title=\"&#8220;Black ink (I): Carbon ink&#8221; &#8212; Museo de Ecolog\u00eda Humana\" data-secret=\"WUK90BWnGR\" 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:\/\/museoecologiahumana.org\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/museoecologiahumana.org\/wp-content\/uploads\/2024\/12\/6-scaled.jpg","thumbnail_width":2560,"thumbnail_height":1572,"description":"II Ink colours The earliest known texts written with ink (the Egyptian hieroglyphs of Umm el-Qaab, circa 3200 B.C.E.) were written with \u00abcarbon ink\u00bb. As the name suggests, these inks are made from charcoal, usually of vegetable origin. The preparation of this ink type is very simple: the charcoal, once ground to a fine consistency,... View Article"}