TED : Boaz Almog "levitates" a Superconductor

Description :

How can a super-thin, three-inch disk levitate something 70,000 times its own weight? 

In a riveting, futuristic demonstration, Boaz Almog shows how a phenomenon known as Quantum Locking allows a Superconductor disk to float over a magnetic rail - completely frictionlessly and with zero energy loss.

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*by andreascy*