Blink and you might actually miss the Drone Racing League’s new RacerX drone, which has just been clocked at a record speed of nearly 180 miles per hour.
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.