This work is intended for ages 9-12. No other form of communication reaches people in as many parts of the world as television. Broadcasts are received by audiences in every country, in nearly every language. This fascinating history follows the evolution of television from early technology to its development as the world's most popular global medium. The book also takes a close up look at: the contributions of different inventors; the growth of broadcasting; the cultural implications of TV viewing; and the basics of electronic signals and transmission.