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taneq
on Aug 4, 2023
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Successful room temperature ambient-pressure magne...
It can be done at all with a static arrangement of magnetic fields, though? Ooh.
TylerE
on Aug 4, 2023
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Isn’t that those floaty spinning desk toys are?
taneq
on Aug 6, 2023
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You mean the ones with a DeLorean or whatever? Those are powered closed-loop-control devices. Or the spinning tops (Levitron etc.?) Those are dynamic and fall down when they stop spinning.
johncolanduoni
on Aug 4, 2023
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Those usually use active electromagnets, which also bypass the preconditions of Earnshaw’s theorem.
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