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 ...

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 ...

All the hullabaloo about touchscreen voting machines and the lack of a paper trail got Joyce Dewsbury wondering about the old mechanical lever voting machines. How did they record votes, and was there ...

Old-fashioned mechanical lever voting machines have been replaced with electronic devices in most elections in New York since the Help America Vote Act in 2002. Many of the older devices are still in ...

The film *Spinning Levers* explores the fundamental mechanics of levers and gears, illustrating their role in various everyday applications and in the complex workings of a car’s transmission.