Submitted by Ethan-Wakefield t3_1198h4o in askscience
agate_ t1_j9pg9v1 wrote
Reply to comment by Ethan-Wakefield in What does it mean for light to be an excitation in the electromagnetic field? by Ethan-Wakefield
> Okay but fundamentally speaking, if I say rotate a magnet continually, it actually emits radio waves?
Yup! The connection between magnets and light is one of the most surprising parts of physics. If it were intuitive, it wouldn’t have taken us centuries to figure out!
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