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Lab lightning strikes same place more than twice

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Ashley N. Paddock, [email protected]

With the help of a laser-based lightning rod, laboratory-generated lightning was coaxed to strike the same place not just twice but numerous times, and contrary to the path of least resistance. This advance demonstrates the potential of such rods for research and protection. In earlier experiments, femtosecond lasers were used to produce a virtual lightning rod from ultrashort filaments of ionized gas that act as electrical guide wires. Now, for the first time, researchers in France have used laser-induced atmospheric filaments to reroute an electrical discharge from striking the...Read full article

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