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 ...

A simple machine is a tool that helps us do work. They use clever shapes to help us move, lift, cut and other types of work. Learn more about the inclined plane, the pulley, the lever, the wheel and ...

Discover how pulleys make lifting easier by spreading out force and changing direction. This science extra explores simple machines in action breaking down how pulleys work and where we use them every ...