Full of fascinating information and colorful graphics the pages reveal the science behind how many of today's machines work.

How does a train stay on the tracks? What’s going on inside a pogo stick? How do cranes work? And what happens when you flush a toilet? These and many more im

Million-copy bestselling author of The Elements, Molecules, and Reactions Theodore Gray applies his trademark mix of engaging stories, real-time experiments, an

Explains the inner workings of a variety of modern inventions, including the washing machine, personal stereo, video recorder, toaster and hair dryer. Suggested

Use the Magic Lens to reveal the inner workings of the machines all around us