How does it work?

How do you talk on the phone with someone who lives on the other side of the world? What exactly happens when you press a key on a computer keyboard? What is the internet really? And HOW DOES IT WORK? So many questions that we will find answers to in this thorough, comprehensive, illustrated technical album that shows the operation of hundreds of machines. The detailed descriptions are made enjoyable and easy to understand by all ages with fun colorful illustrations. Follow the mammoth and discover the wonderful world of machines from wheelbarrows to robots, from windmills to smartphones, from the beginning to the present day.