The little box (intake?) on my old smoke detector is a coffin. : r/mildlyinteresting
Your household smoke detectors
BfS - Ionisation smoke detectors (ISM)
is a smoke detector RADIOACTIVE? (yes, but small amounts of radiation) - YouTube
Why are Smoke Detectors Radioactive? And How do Smoke Detectors Work? - YouTube
Survey of Radioactive Items in the Home | Journal of Nuclear Medicine Technology
Radioactive Materials – Canadian HAZ-MAT Environmental
Backgrounder On Smoke Detectors | NRC.gov
Americium Smoke Detectors
Americium 241 (used in smoke detectors) is a waste product like floridine (added to drinking water). Why must normal humans be forced to use waste products from electricity producers? - Quora
Physics revision | GCSE and A Level Physics Revision | Cyberphysics, the revision website