An introduction to the physics of protons and neutrons in the atomic nucleus, with a focus on explaining the different modes of radioactivity, alpha, beta, and gamma decay, as well as different ways of measuring radiation and some of its biological effects. I also discuss some applications of radioactivity in radiometric dating, radiotherapy, nuclear power, and nuclear weapons. I conclude by discussing a few popular misconceptions about radioactivity. Recommending prelistening is Episode 8: History of the Atom.
Episode 27: Intermolecular Bonds and Phase Transitions
Episode 26: Human Organ Systems
Episode 25: Organs, Tissues and Systems
Episode 24: Vibrations and Waves
Episode 23: Chemical Reactions
Episode 22: Our Place in the Cosmos
Episode 21: Introduction to Evolution
Episode 20: The Reliability of Memory
Episode 18: Biochemistry Basics
Episode 19: Market Failure
Episode 17: Energy, Work and Momentum
Episode 16: Profits and Competition
Episode 15: Chemical Bonding
Episode 14: Principles of Quantum Mechanics
Episode 13: Newtonian Mechanics
Episode 12: The Price System
Episode 11: The Origin of the Universe
Episode 10: The Cell
Episode 9: Matter and Molecules
Episode 8: The Atom
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