The stainless balls at the center of the Kolossos ST bearing only result in a friction increase of “a fraction of a watt” ...

Jiwi's Machines, Jiwi and Luke explore the mechanics of pulleys, demonstrating how combining them can make lifting heavy ...

This video explores different methods that can be use to amplify a force, and focuses on three types of machine - levers, ...

India's compound archery success story, from World Championships to Olympics hopes, explained in detail with expert insights ...