Six fibre-optic lasers with a combined 32 kilowatts of power destroyed four airborne drones (UAVs) in tests by the US Navy off the coast of California.
An electronic solid-state laser will never run out of ammunition as long as it has power, according to Mike Booen of Raytheon, the US weapons systems company developing the new technology.
There are disadvantages with lasers such as high costs, and legal restrictions under existing treaties, says former Air Force chief scientist Mark Lewis, now at the University of Maryland.
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