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submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]

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3Blue1Brown explains holograms in detail. The physical kind, flat plates that show 3d scenes.

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[–] [email protected] -4 points 1 month ago (2 children)

Magnets.

[–] [email protected] 8 points 1 month ago

F*ing magnets - how do they work?

[–] [email protected] 3 points 1 month ago

I mean yes it's electromagnetic radiation.