Jibo, a cutesy social robot pitched to crowdfunders in mid 2014 as ‘the world’s first social robot’ but since delayed and yet to arrive in the market some..
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.