Discusses the principles of levers, a type of simple machine that helps lift heavy loads by changing the direction or magnitude of force applied. It explains how the position of the fulcrum affects ...

The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various everyday applications and in the complex workings of a car’s transmission.

“Tyre levers are history,” proclaims the British team behind the Smart Lever, a tyre lever that looks like a cross between a kitchen implement and a Transformer. The idea is to use clever design in ...