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scienceFeb 28, 20231:19:19pending

EP.112 火災警報!煙霧偵測器裡的「阿爾法衰變」!(量子熊 #15)

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EP112 火災警報!煙霧偵測器裡的「阿爾法衰變」! 你知道「煙霧偵測器」的原理嗎? 煙霧偵測器的原理是將空氣游離成離子,接著使偵測器裡有一電流通過,煙霧通過後會跟離子結合,導致電流變小,透過感知電流變小的過程,便會觸發警報器。 煙霧偵測器為了將空氣游離成離子,使用了放射性物質「鋂」取代需要頻繁更換的電池。 鋂其實是一種人造的化學元素,最早出現在曼哈頓計畫中的核爆產生的。 本集以煙霧警報器的原理,聊聊煙霧偵測器裡的阿爾法衰變! #量子#量子熊#火災#放射性 -- Hosting provided by SoundOn

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EP.112 火災警報!煙霧偵測器裡的「阿爾法衰變」!(量子熊 #15)

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

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