NASA is set to harvest its first space lettuce that will also set in history the first ever successful production of space-grown vegetables.The space agency recently commissioned International…..
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.