Communication: The Impact of Science and Technology
From the earliest times, people have found ways to communicate over long distances. Today, the technology of telecommunications lies at the heart of all modern communications networks. This book examines the history of communications from smoke signals to satellite signals and from telegrams to text messages, the development of mass communications, from print media to broadcast media, the impact of radio, television, and the Internet, the technology that links the world by cell phones and computers, and telecommunications of the future. This book goes beyond the science to explore the pros and cons of each new development, and examine the ways modern communications have changed society and the world.
What people are saying - Write a review
We haven't found any reviews in the usual places.
amplifier amplitude analog ARPANET bandwidth batteries began broadband businesses CABLE AND SATELLITE call centers carrier wave cell phones cellular channels communications satellites CONS countries CRTs developed device digital broadcasts digital radio digital signal dot-com companies e-mail electric telegraph electrical signal frequency Google grid computing Guglielmo Marconi Hertz idea instant messaging Internet Internet connections invented inventor Jamie John Logie Baird large number launched microchips microprocessor microwaves million modern communications modulation Morse code offer orbiting Earth packet switching phone calls problem produce PROS pulses radio broadcasts radio signals radio stations radio transmissions radio waves rescue services Satellite TV scientists screen semaphore send information sending messages sent sound signal space junk telecommunications telephone calls telephone signals television broadcasts television programs television sets text message Today transceiver transistor transmitter United walkie-talkie watch television wave bands wireless wires World Wide World Wide Web