Swiss Researchers Invent Sound Powered Micro-Drones

EPFL engineers have designed acoustic cavities that convert sound waves into thrust, propelling small robots and ultralight aerial vehicles without on-board actuators or electronics.

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Swiss Researchers Invent Sound Powered Micro-Drones
The MICROBS Lab's microfliers. 2026 EPFL/MICROBS - CC-BY-SA 4.0