The internet just went on a wild quest that could result in floating trains and cheap EVs

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Scientists believe a room-temperature superconductor could change the way we live.
Scientists believe a true room-temperature superconductor could change the way we live.

MARK GARLICK/SCIENCE PHOTO LIBRARY

What is the LK-99 superconductor? Everyone is talking about how it could change the world, but experts say we're still a long way off

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Magnetic lavitation
A magnet hovering above a superconductor. Persistent electric current flows on the surface of the superconductor, forming an electromagnet that repels the magnet.

J. Adam Fenster/University of Rochester

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