Electromagnetism
In physics, electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields. The electromagnetic force is one of the four fundamental forces of nature.
2 episodes
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Plasma
Melvyn Bragg and guests discuss plasma. First observed in 1879, plasma is the most abundant matter in the universe, far more than solid, liquid or gas.
13 October 2016
Featuring: Justin Wark, Kate Lancaster, Bill Graham
The Photon
Melvyn Bragg and his guests discuss the photon, the fundamental particle associated with light.
12 February 2015
Featuring: Frank Close, Wendy Flavell, Susan Cartwright