“The SparkFun Autonomous vehicle competition is an annual race between home-made autonomous vehicles. This year SparkFun held its annual Autonomous Vehicle Competition at the Boulder Reservoir. Check out all the action!”
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.