More How Do They Do That?

by Kevin Markey, Caroline Sutton, Dashka Slater

Book Overview

Have you ever wondered:

- How do they know how much an aircraft carrier weighs?

- How do they get music onto a CD?

- How does an electric eel generate electricity?

- How do they know how long a second is?

- How do penguins stay warm in Antarctica?

- How do they teach guide dogs to cross at a green light?

The answers to these and many other everyday wonders are explained.

Here, in simple and easy-to-understand...

• Format: Paperback
• Language: English
• ISBN: 0688132219
• ISBN13: 9780688132217
• Release Date: March 1994
• Publisher: William Morrow & Company
• Length: 256 Pages
• Weight: 0.71 lbs.
• Dimensions: 0.7" x 6.1" x 9.3"