Technology

You will find the answers to these and many, many other questions in this book! Absorbing texts and over 250 pictures tell you everything about the world of technology and inventions. You can learn about how a helicopter flies and a hovercraft floats. You can take a look at the structure of a rocket engine and build a small mini-robot. Do you know where the first underground railway system was built? What a bimetal is? And how a solar chimney power station works? Take a look inside to find out!