Have you ever seen a flag being raised, or wondered how a mechanical clock works? Let’s take a look at some of the simple mechanisms that they use. Pulleys and gears. When a flag is raised, it will ...

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 best tyre levers will enable you to change your tyres or fix a puncture with ease. Often overlooked, these simple tools can save you time and effort, and are essential for any rider's rear pocket ...