eli5: how does wirelessly charging your phone work?

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I guess as a broader question, how does wireless power transfer work in general and how are we able to transfer it from space, as I saw an article on it a while back.

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Anonymous 0 Comments

magnetics.

if you remember making a magnet with wire, a nail, and a battery that is the basics

the charger has a coil of wire that Turns on and off” rapidly.
that tuns the magnet on and off.

meanwhile your phone has a coil of wire that converts that magnet power back into electricity

and that charges the battery

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