Boston Dynamics — the (for now) Alphabet-owned company behind BigDog and other impressive machines — has just unveiled its latest robot: SpotMini, an all-electric, smaller version of its Spo
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.