Gallery: Scientists Propose Launching Solar-Powered Lasers to Vaporize ...


After an asteroid passed close to earth and a meteorite exploded over Russia last Friday, world leaders have renewed calls for defensive measures against threats from space. Two scientists at the University of California at Santa Barbara have unveiled a proposal for a system of solar-powered lasers that could be used to change an asteroid’s orbit – or vaporize it completely – while gathering valuable data on its composition.

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