Children's Cool Technology Encyclopedia Author:Steve Parker The Children's Cool Technology Encyclopedia is a clear and comprehensive guide to the coolest, fastest, smartest, newest, toughest and most essential pieces of modern technology in existence. Discover the answers to questions such as: + What's going on inside my Xbox? + How does the internet send data around the world in a split second? + Exactl... more »y what happens when you take a digital picture? + what is GPS - and how does it work? ... and many, many more« less