Technology is essential to our everyday lives. Without it, we would not have houses, clothes, or toys, and we would communicate only through speech. Finding out how technology is used to create many things in our world is fascinating!
The Technology Behind series investigates intriguing and exciting Technology phenomena. Each book takes one Technology topic and answers 13 questions in an easy-to-read and engaging way.
Have you ever wondered...
How do hot-air balloons work?
What is a four-stroke engine?
Can spy planes fly without being detected?
Discover the answers to these and many other questions in this book!
Table of Contents
What is Technology? 4
The Technology Behind Machines of Speed and Flight 5
Why was the Steam Engine Such an Important Invention? 6
How Do Trains Levitate? 8
What is a Four-Stroke Engine? 10
What are the Advantages of Solar Cars? 12
How Does a Crash-Test Dummy Work? 14
How Do Hot-Air Balloons Work? 16
Why Don't the Wings of an Airplane Flap? 18
How Do Planes Fly on Autopilot? 20
Can Spy Planes Fly without Being Detected? 22
Why Do Helicopters Fly Straight Up into the Air? 24
What was the Space Race? 26
How Do Rockets Get into Space? 28
How Do Space Shuttles Work? 30