Introduction Looking for a cool and surprising project to show to your friends? Give this activity a stab! Take a potato and a straw—maybe a pencil as well—and challenge your friends to drill holes ...

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 ...

Marble machines are the kind of useless mechanisms that everybody loves. Their sole purpose is to route marbles through different paths for your viewing pleasure. They can be extremely complicated ...

When you push or pull with a simple machine, you are applying a force and doing work. And, if you get more force out of a machine than you put into it, then that machine has a mechanical advantage.

A large number of the drugs in the developing world aren’t what they claim to be. Sometimes this means nothing, sometimes it’s downright dangerous. This new machine will (cheaply) help solve the ...

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 lift ...