A hands-on physics experiment demonstrates how a basic self-braking pulley works, explaining the forces and friction that allow it to stop itself without extra mechanisms.

Studying one of the simplest animals, Stanford's Prakash Lab uncovered how it folds itself into complex shapes—revealing new ...

Fiido D3 Pro Folding Electric Bike fiido D3Pro D3 Pro inherits the minimalist aesthetic style of fiido with its simple and smooth lines. Equipped with a large 52-tooth chain disc, a 12-tooth rear ...