A Question of Technology: Why Do Phone Calls Travel into Space?

Uncover the mysteries of electronics in this funny technology series

How does a rock tell the time? How does an electric guitar rock out? And just WHY can't you use a touchscreen with gloves on? Find out the answers to these questions and much more in this book!

With an engaging question and answer format, this series draws young readers into the fascinating world of technology. Each spread opens with a simple, quirky question, opening up an exploration of technology and busting some popular myths along the way!

The lively lay-out is supported by annotated photos and cartoons, making technology fun and accessible for every young reader.

Contents:
What are electronics?
Why won't touchscreens work with gloves on?
Why do some phone calls travel into space?
How do electric guitars rock out?
How do batteries power electronics on the move?
Why's it hard to hold up a cash machine?
How do round camera lenses take rectangular photos?
How does a rock tell the time?
Do solar panels work when it's cloudy?
How do blind people use electronics?
Why is everything through night vision goggles green?
How does my phone know who I am?
Quick-fire questions
Glossary
Find out more
Index


Titles in the series:
How Does a Driverless Car Know Where to Go? (Transport)
What's so Super About Supercomputers? (Computing)
Will Robots Take Over the World? (AI)
How Do You Go to the Toilet in Space? (Space Technology)
Could You Really Break the Internet? (Internet)
Who Invented Inventing? (Inventions)
How Can Light Slice Through Metal? (Machines)
Why Do Telephone Calls Travel into Space? (Electronics)