There's radioactive metal in your ceiling
0:36
YouTubeMS Paintsplained
There's radioactive metal in your ceiling
There's a radioactive metal in your ceiling right now. It's called americium, and it's been sitting in your smoke alarm the whole time. Inside the alarm, a tiny chamber. Two metal plates. A weak current flowing through the air — except air shouldn't conduct electricity. The americium is what makes it possible. And when smoke drifts in, it ...
2K views1 month ago
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Short videos

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