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
Marconi Wireless Telegraph Company of America of United Wireless' tangible assets, which in turn on March 29, 1912 were sold by the parent company to American Marconi. It would later be alleged that this had unfairly benefited some British investors, in what came to be known as the Marconi scandal. The acquisition would prove to be a tremendous boost to American Marconi's fortunes, and the company boasted that "There is now nothing in the way of Marconi becoming the only system of commercial importance in the world." Recently passed laws required U.S. passenger ships to carry radio equipment, and American Marconi's near monopoly allowed it to