Simple machines make work easier to do. But how? Join Joan at the Discovery Center of Idaho as she tries various experiments with simple machines. Science Trek is available to stream on pbs.org and ...

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 GSK Science in the Summer program has been visiting area libraries this summer, teaching children different scientific principles and teaching them through fun experiments. To spread the joy of ...

The simple machines that changed the world throughout history. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Throughout history, humans have ...

A simple machine is a mechanical device that changes the direction or magnitude of a force. In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called ...