Radioactivity and Radiation
Craig Beals explains why some atoms emit radiation through the processes of radioactivity and radioactive decay. He examines the role of isotopes in radiation and shows Uranium - 238 from Carnotite Ore and Americium - 241 from a smoke detector.
For more information:
Radiation: https://en.wikipedia.org/wiki/Radiation
Smoke detectors and radioactive Americium: https://en.wikipedia.org/wiki/Smoke_detector#Ionization
Uranium - 238: https://en.wikipedia.org/wiki/Uranium-238
By Craig Beals
