The Science Museum in London is on a mission to rebuild the UK’s first humanoid robot. “Eric” was invented by William Richards and Albert Herbert Reffell, tw
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.