Find out more about the wheel and axel, the lever, and the wedge. Find out more about three of the six simple machines: the wheel and axel, the wedge, the lever. Simple machines like these help us do ...

Explore the simple machines behind Buffalo’s grain elevators and the physics that power them. Buffalo’s grain elevators changed the world! In this episode of Compact Science we uncover how a local ...

Explains how pulleys work to lift heavy weights more easily. A fixed pulley changes the direction of force, allowing for easier lifting, while a movable pulley reduces the amount of force needed to ...