{"version":"1.0","provider_name":"Iranian National Commission for UNESCO","provider_url":"https:\/\/unesco.ir\/en\/","title":"UNESCO Commemorates World Metrology Day | Iranian National Commission for UNESCO","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"BGZCRjMVZQ\"><a href=\"https:\/\/unesco.ir\/en\/unesco-commemorates-world-metrology-day\/\">UNESCO Commemorates World Metrology Day<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/unesco.ir\/en\/unesco-commemorates-world-metrology-day\/embed\/#?secret=BGZCRjMVZQ\" width=\"600\" height=\"338\" title=\"&#8220;UNESCO Commemorates World Metrology Day&#8221; &#8212; Iranian National Commission for UNESCO\" data-secret=\"BGZCRjMVZQ\" 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:\/\/unesco.ir\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/unesco.ir\/wp-content\/uploads\/2025\/05\/closeup-shot-desk-globe-with-blurred-background-scaled-1.jpg","thumbnail_width":2560,"thumbnail_height":1709,"description":"150 Years of International Cooperation in the Service of Accuracy, Safety and Sustainable Development On World Metrology Day, observed annually on 20 May, UNESCO highlighted the fundamental role of measurement science in scientific progress, quality of life and environmental protection. This year\u2019s observance coincides with the 150th anniversary of the signing of the Metre Convention; [&hellip;]"}