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UnknownSoldier writes "Wired reports that researchers at Tel Aviv University have discovered you can 'lock' a magnetic field into place with a superconductor. They have a very cool demonstration of a frozen puck and some of the neat things you can do with it while its orientation remains locked but its location is movable. Might we someday see high speed trains that will be 'impossible' to tip over, or a new generation of batteries with this technology?"