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Submission + - Quantum Levivation (

UnknownSoldier writes: Wired reports that researchers at Tel Aviv University have discovered you can "lock" a magnetic field into place with a semiconductor. 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 someday we see high speed trains that will be "impossible" to tip over or a new generation of batteries with this technology?

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egrep patterns are full regular expressions; it uses a fast deterministic algorithm that sometimes needs exponential space. -- unix manuals