Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Science & Medicine 15
Natural Sciences 5

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Ep. 377: Thomson finds Electron

June 1st, 2015

Episode 411 of 460 episodes

At the end of the 19th century, physicists were finally beginning to understand the nature of matter itself, including the discovery of electrons – tiny particles of negative charge that surround the nucleus. Here’s how J.J. Thompson separated the electrons from their atoms and uncovered their nature.

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