How does light move in a vacuum?

quincy harman · Apr 6, 2015

How is light a wave in an electromagnetic field and and exactly is an electromagnetic field?

Greg Bernhardt · Apr 6, 2015

https://www.physicsforums.com/threads/how-does-light-travel-through-a-vacuum.517171/

https://en.wikipedia.org/wiki/Electromagnetic_field

rootone · Apr 6, 2015

Electromagnetism is one of the four fundamental forces of nature.
Understanding how it works gets quickly into some pretty deep stuff, but EM is largely well understood.
The Wiki page is a good intro, but it's a very big topic covering many fields of physics.

How does light move in a vacuum?

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How does light move in a vacuum?

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