{"version":"1.0","type":"rich","provider_name":"Site Pagestec","provider_url":"https:\/\/www.pagestec.org","title":"Qu&apos;est-ce qu&apos;une onde \u00e9lectromagn\u00e9tique&nbsp;?","author_name":"","width":"480","height":"295","url":"https:\/\/pagestec.org\/article3633.html","html":"\u003Ch4 class='title'\u003E\u003Ca href='https:\/\/pagestec.org\/article3633.html'\u003EQu&apos;est-ce qu&apos;une onde \u00e9lectromagn\u00e9tique&nbsp;?\u003C\/a\u003E\u003C\/h4\u003E\u003Cblockquote class='spip'\u003E\n\u003Cp\u003EQu\u2019est-ce qu\u2019une onde \u00e9lectromagn\u00e9tique&nbsp;? Quelles sont les ondes qui nous permettent de communiquer quasi-instantan\u00e9ment d\u2019un bout \u00e0 l\u2019autre du monde&nbsp;? En quoi les ondes radio jouent-elles un r\u00f4le fondamental dans les t\u00e9l\u00e9communications&nbsp;? R\u00e9ponses en vid\u00e9o.\u003C\/p\u003E\n\u003C\/blockquote\u003E\n"}