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Magnet rule (lemmy.world)

submitted 11 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 11 months ago

And by the same principle, you could shine a powerful laser towards a very reflective sail and actually move, with the laser as a part of the boat.

I too always found this very funny. Confuses the hell out of people who just understood why the OP would not work.