Honda is the latest automaker to commit to an ambitious self-driving car goal. It wants cars with SAE Level 4 autonomy on the road by 2025, CEO Takahiro Hachigo announced at a media event in Japan.
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.