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

Craig Beals explains the structure of the atom: Protons, Neutrons, Electrons. And the concepts of Ions, Isotopes and Radiation. Periodic Table: https://commons.wikimedia.org/wiki/File:Periodic_table_large.png Isotopes of Carbon: https://en.wikipedia.org/wiki/Isotopes_of_carbon