Why a “room-temperature superconductor” would be a huge deal
Vox
AUGUST 7, 2023
Superconductors are used in some kinds of maglev (magnetic levitation) trains : trains that are not propelled along a track on wheels, but which float above their track and are propelled by magnetic force. It’s just an electric current that keeps going and going and going indefinitely, with no loss.
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