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Laser ‘Lightning Rods’ Channel Electricity through Thin Air

Near-term applications could include remote detonation of land mines

By zapping the air with a pair of powerful laser bursts, researchers at the University of Arizona have created highly focused pathways that can channel electricity through the atmosphere. (more…)

For the First Time Ever, Scientists Watch an Atom’s Electrons Moving in Real Time

By Guest PostAugust 7, 20106 commentsScienceattosecond pulse, electron motion, femtosecond pulse, krypton atom, pump pulse, valence electrons

An international team of scientists led by groups from the Max Planck Institute of Quantum Optics (MPQ) in Garching, Germany, and from the U.S. Department of Energy’s Lawrence Berkeley National Laboratory and the University of California at Berkeley has used ultrashort flashes of laser light to directly observe the movement of an atom’s outer electrons for the first time. (more…)

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Laser ‘Lightning Rods’ Channel Electricity through Thin Air

For the First Time Ever, Scientists Watch an Atom’s Electrons Moving in Real Time