Nasa has found a way to make robots more graceful: 'metallic glass'
To a robot, gears are everything. High-quality gears mean that robotic limbs start and stop smoothly, and operate without jerking or shaking. Low-quality gears are usually a recipe for disaster.That's why Nasa is pursuing an exotic material to make the gears that'll drive the next generation of robotic astronauts. Metallic glass is a specially-crafted...