Introduction Before the industrial age people largely had to rely on muscle power to move and lift heavy objects. Simple machines such as pulleys, levers and ramps made it easier for humans to ...

Find out how simple machines makes work easier on this Science Trek. Simple machines include the lever, the inclined plane, the wedge, the pulley, the wheel and axle, and the screw. Combine these ...

In this DIY video, learn how to build a simple welding machine using a spark plug at home. This easy-to-follow tutorial demonstrates how to turn a spark plug into a powerful tool for welding ...

From overheating engines to blank displays, here are four repairs to try when farm machinery malfunctions. Remember to start with the simple fixes — there’s always time to panic later.

But what about putting all that stored energy to use? You can attach your rubber band to a simple machine—a wheel and axle—to build a simple rubber band–powered car.

Learn more about how simple machines help make your work easier. A simple machine has few or no moving parts, but it can be used to create wonders. Learn more about how simple machines help make ...