[jjdredd]

> Magnetism is a consequence of relativity and the finite speed of light

That doesn't make any sense.

[rovolo]

Here's a video explainer: https://www.youtube.com/watch?v=1TKSfAkWWN0

Magnetism affects moving charges, but not stationary charges. A magnetic field in your reference frame is really just an electric field in the moving charge's reference frame.