It doesn’t have a flux capacitor may not be able to travel through time like its Hollywood inspiration, but Stanford University’s autonomous DeLorean MARTY can cut some wicked donuts without the aid of a driver.
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.