5.1 Unstable Nuclei

Unstable Nuclei (Textbook)

Chapter Introduction

John discusses the importance of learning about the atomic nucleus from the top of an extinct volcano rising some 20,000 feet above the ocean floor. Duration: 2:19.

The Discovery of Radioactivity

A talking head discussion of the discovery of radioactivity and the people who discovered. it. Duration: 4:30.

Three Different Types of Radiation

The properties of three different types of radiation are discussed. Duration: 4:18.

Penetrating Powers of Radiation

Radioactive samples are held up to a Geiger counter to demonstrate the differing penetrating powers of different types of radiation. Duration: 2:45.