SAI_Peregrinus t1_iwhcom7 wrote
Reply to comment by bigtallsob in AMD Now Powers 101 of the World's Fastest Supercomputers by Avieshek
Perpetual motion is fine, perpetual motion you can extract enirgy from isn't. An object in a stable orbit with no drag (hypothetical truly empty space) around another object would never stop or slow down.
A time crystal is a harmonic oscillator that neither loses nor gains energy while oscillating. It's "perpetual motion" in the "orbits forever" sense, not the "free energy" sense. Also has nothing to do with quantum computers.
pterofactyl t1_iwinoyy wrote
Well no because for that “no drag” space to exist, it would need to be in an imaginary world, so perpetual motion does not exist either way.
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