Guglielmo Marconi invented the wireless telegraph in 1896
Communication by encoding alphanumeric characters in analog signal
Sent telegraphic signals across the Atlantic Ocean
Communications satellites launched in 1960s
Advances in wireless technology
Radio, television, mobile telephone,communication satellites
More recently
Satellite communications, wireless networking,cellular technology
Tuesday, December 30, 2008
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment