… Navy pilot turned college professor jokes back and tells how MIT lab is enabling the use of inexpensive quadcopters with surveillance packages and tablet or smartphone front-end controllers for soldiers and first responders.
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.