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Flying Replacement Batteries Could Massively Boost A Drone’s Flight Time

Flying Replacement Batteries Could Massively Boost A Drone’s Flight Time

Borrowing a trick from the Air Force, whose planes can complete long-range missions thanks to in-flight refuelling from tanker aircraft, researchers at UC Berkeley showed off a novel way to keep small drones in the air almost indefinitely: flying replacement batteries that can be swapped without landing.