Would you like to watch Curiosity pile up sand behind its wheels as it struggles up a slope, this video is about as close as you’re likely to get, at least until Curiosity actually lands on Mars. For more, check out the JPLnews channel on YouTube.
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.