This book provides an engaging and informative exploration of the history and evolution of various technologies and inventions, including trains, boats, computers, and the internet. The book not only introduces the major discoveries and inventors behind these advancements but also includes practical do-it-yourself projects that allow readers to explore and better understand the inner workings of these technologies. The projects include making model rails and tunnels, a diving submarine, and an electric motor, among others. With plenty of photographs and illustrations, the book is an excellent resource for young readers interested in science and technology.