China’s ‘land aircraft carrier’ charges flying drone with microwave beam

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A vehicle that can zap energy into a fleet of drones, allowing them to fly indefinitely, is getting closer to becoming a battlefield reality. Scientists in China have demonstrated a wireless power transmission system that uses a ground-based microwave emitter to beam energy to an antenna array mounted on the aircraft’s underside. Importantly, they were able to do this while both the drone and charging system were in...