Everyday machines : amazing devices we take for granted /
John Kelly, David Burnie and Obin
- 46 pages : color illustrations ; 34 cm
Includes glossary and index
How does a microwave cook your food? How does a telephone carry your voice? How does a television make pictures move? Everyday Machines supplies the extraordinary answers to these questions and more. Here curious children and adults alike can discover how an electric motor powers a hair dryer or what an electromagnet does inside a doorbell, and why each home has a siphon. Once you have looked inside, you will never again take these amazing machines for granted. -- Back cover