Did you know that people first used road signs more than 2,000 years ago? Did you know that Ancient Rome had its own postal service? Did you know that Egyptian
This book is a comprehensive illustrated account of the technologies and inventions in mass communication that have accelerated the advancement of human culture
In response to a request from the Defense Advanced Research Projects Agency, the committee studied a range of issues to help identify what strategies the Depart
This book traces the evolution of communications from 500 BC, when fire beacons were used for signalling, to the 1940s, when high definition television systems