From the first sign language to text messaging, humans have always looked for new ways to communicate with each other. Find out who invented some of our most important communication devices, and learn all about how they work. Then pick your favorite way to tell a friend all about it!
The way we communicate with others is continuously changing as technology evolves. From telephone operators to Skype, this book examines how and why communication has progressed since the early 19th century. Critical thinking is encouraged through spread-by-spread comparisons of mail to email and everything in between.
This book discusses seven wonders of communication: language, the telephone, cameras, television, personal computers, the World Wide Web, and robot communication. The author describes how each wonder works and what part it has played in the field of communications.
A look at potential future developments in communication, including holograms, as well as the Global Positioning System and other technologies that are currently considered state-of-the-art.