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Radioactivity

15 minutes 37 seconds

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Multiple images showing a progression of yellow to red circles appearing on a dark background. Caption: Then, a series of images are collected at regular intervals.

Radioactivity is all around us and comes from a variety of sources. There are three types of radiation, and experiments show the differences in the penetrating power of each one. A major use of radioactivity is in nuclear medicine. Discusses the half-life of radiation and how to calculate it.

Media Details

Runtime: 15 minutes 37 seconds

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