A who’s-who of carmakers, technology companies, and ride-sharing startups are joining forces to pressure the federal government on the issue of self-driving cars. Ford, Google, Uber, Lyft
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.