Chris Anderson founder of DIY Drones and CEO of 3D Robotics, speaking at Maker Faire, explaining why agriculture is the prime merket for civilian UAVs.
Robots clean rivers and sort waste, monitor ecosystems, and inspect renewable-energy infrastructure. But even the greenest robot has an environmental footprint.
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.