How do smoke alarms detect smoke? (part 1)
Chemistry For Your Life
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The Dangers of Radiation in Smoke Detectors
In smoke detectors, safely protected inside your smoke detector, there is a little bit of radiation happening. Some said that there's gamma and alpha particles. The other said only alpha particles. To me, just alpha or primarily alpha radiation makes the most sense because it'd be really easy to stop that from leaking out. But it also is a very small amount. So maybe because it's so small, it's not really dangerous to have that in our smoke detectors.
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