The laser lightning rod was positioned at the summit of a Swiss mountain, with the remit of protecting a telecommunications tower vulnerable to thunderstorms. It produced extremely promising results.
The laser lightning rod was positioned at a Swisscom telecommunications tower on Mount Santis. Pic: Nature PhotonicsIn a development that would look right at home in a sci-fi disaster film, researchers have developed a laser beam that can divert lightning.
But while a lightning rod is limited in how far its protection can reach by its height , the laser-based solution promises to do the job for wider areas. Project coordinator Aurelien Houard, of France's Laboratoire d'Optique Appliquee, said:"The aim was to see whether there was a difference with or without the laser."We compared the data collected when the laser filament was produced above the tower - and when the tower was struck naturally by lightning."
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