Researchers at the University of Gothenburg have made light-powered gears on a micrometer scale. This paves the way for the smallest on-chip motors in history, which can fit inside a strand of hair.

Discover an incredible idea as a skilled welder demonstrates how to craft innovative tools from an old gearbox. Watch as he ingeniously repurposes each component, transforming outdated hardware into ...

Compounding this mechanical challenge is the fact that many advanced robots are being developed to work outside constrained ...