{"version":"1.0","provider_name":"Rinc\u00f3n educativo","provider_url":"https:\/\/rinconeducativo.org\/en\/","author_name":"lgala","author_url":"https:\/\/rinconeducativo.org\/en\/author\/lgala\/","title":"How can the magnetic fields be observed? - Rinc\u00f3n educativo","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"jJozHrQY2J\"><a href=\"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/how-can-the-magnetic-fields-be-observed\/\">How can the magnetic fields be observed?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/rinconeducativo.org\/en\/recursos-educativos\/how-can-the-magnetic-fields-be-observed\/embed\/#?secret=jJozHrQY2J\" width=\"600\" height=\"338\" title=\"&#8220;How can the magnetic fields be observed?&#8221; &#8212; Rinc\u00f3n educativo\" data-secret=\"jJozHrQY2J\" 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:\/\/rinconeducativo.org\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/rinconeducativo.org\/wp-content\/uploads\/2023\/09\/Experimento_Campos_Electromagneticos_4.png","thumbnail_width":348,"thumbnail_height":325,"description":"Magnetic fields are not visible but are responsible for attracting metals containing ferrous and ferromagnetic elements. By taking this property into account, their effect can be \"made visible\" and thus the presence of these fields is confirmed."}