In what is perhaps a good show for those who are missing Planet Earth, the producers hide cameras in lifelike robots to give a first-person view of how animals behave in the wild….
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.