Telecommunication Early means of communicating over a distance included visual signals, such as beacons, smoke signals, semaphore telegraphs, signal flags, and optical heliographs. Other examples of pre-modern long-distance communication included audio messages such as coded drumbeats, lung-blown horns, and loud whistles. 20th- and 21st-century technologies for long-distance communication usually involve electrical and electromagnetic technologies, such as telegraph, telephone, and teleprinter, networks, radio, microwave transmission, fiber optics, and communications satellites. A revolution in wireless communication began in the first decade of the 20th century with the pioneering developments in radio communications by Guglielmo Marconi, who won the Nobel Prize in Physics in
Gloria Marconi Gloria Marconi Gloria Marconi (born 31 March 1968) is an Italian long-distance runner. She was born in Florence. On the track she finished fifth in the 5000 metres and 24th in the 10,000 metres at the 2002 European Championships. She became Italian 5000 metres champion in 2002 and 2004, and 10,000 metres champion in 2003 and 2006. She became indoor 3000 metres champion in 2002. Her personal best times were 4:25.85 minutes in the 1500 metres, achieved in 1998; 9:04.80 minutes in the 3000 metres, achieved in July 2004 in Ferrara; 10:27.72 minutes in the 3000 metres steeplechase, achieved in