Why does light even move? what force makes it move at insane speed?
In: 193
So, there’s a super cool set of equations governing electricity and magnetism. Light is an electromagnetic wave, so it is governed by these equations. Plug in known values for quantities like the permittivity of free space, and you can *derive* the speed of light.
Irregular Webcomic has an excellent explanation of this, here: https://www.irregularwebcomic.net/1420.html
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