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scienceJan 31, 20231:21:21pending

EP.108 量子蹤跡何處尋?地磁大反轉時代?(量子熊 #13)

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EP.108 量子蹤跡何處尋?地磁大反轉時代? 你今天磁場對了嗎?磁場一詞經常在生活中被「偽科學」拿來使用。 近期有許多科學新聞報導,指出「地磁」有逐漸減弱的跡象,可能導致地磁反轉。 我們從小由指北針和指南針中學習到磁性,認為地磁總是指著相同的方向。 科學家卻指出地磁每個一段時間,便會南北互換,且是在相較下來較短的時間內變化,與其他的地質活動比較,其改變的非常迅速。 地質學家採集了一些具有磁性的礦物,並觀察礦石的「磁性紀錄」,發現古代礦石的磁性紀錄的方向與現今的磁場方向相反。 接著經過一連串的研究與實證,最終發現了地磁反轉的真相! #量子熊#量子#地磁#磁場 -- Hosting provided by SoundOn

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EP.108 量子蹤跡何處尋?地磁大反轉時代?(量子熊 #13)

熱血科學家的閒話加長(The Excited Scientists' Hot Tea)

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