From Netflix recommendations to credit card fraud detection, artificial intelligence (AI) is already part of our daily lives. But as AI expands, where do we draw the line on how intimate we become with this new technology?
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.