Former Google car project Waymo has signed a deal with Avis Budget Group to service and house a fleet of self-driving vehicles being tested in Phoenix, giving the rental car agency a foothold in the budding market for autonomous transportation.
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.