{"version":"1.0","provider_name":"Electricity - Magnetism","provider_url":"https:\/\/www.electricity-magnetism.org\/fr\/","title":"Comment prot\u00e9ger un champ magn\u00e9tique ?","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"QOyqJZ7JAC\"><a href=\"https:\/\/www.electricity-magnetism.org\/fr\/comment-proteger-un-champ-magnetique\/\">Comment prot\u00e9ger un champ magn\u00e9tique ?<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.electricity-magnetism.org\/fr\/comment-proteger-un-champ-magnetique\/embed\/#?secret=QOyqJZ7JAC\" width=\"600\" height=\"338\" title=\"\u00ab\u00a0Comment prot\u00e9ger un champ magn\u00e9tique ?\u00a0\u00bb &#8212; Electricity - Magnetism\" data-secret=\"QOyqJZ7JAC\" 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<\/script>\n","thumbnail_url":"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/01\/logo.png","thumbnail_width":200,"thumbnail_height":200,"description":"Les champs magn\u00e9tiques ne peuvent pas \u00eatre bloqu\u00e9s, mais seulement redirig\u00e9s. Les mat\u00e9riaux qui redirigeront les champs magn\u00e9tiques sont des mat\u00e9riaux ferromagn\u00e9tiques (attir\u00e9s par les aimants), tels que le fer, l'acier (qui contient du fer), le cobalt et le nickel."}