But it was Guglielmo Marconi, an Italian inventor, who proved the feasibility of radio communication. He sent and received his first radio signal in Italy in 1895. In 1899, he flashed the first wireless signal across the English Channel, and two years later received the letter "S," which w...
Get amazed as Guglielmo Marconi sends and receive wireless radio message across the AtlanticItalian physicist and inventor Guglielmo Marconi demonstrating the wireless radio device, which was used to transmit Morse Code over the Atlantic Ocean in 1901; excerpt from a newsreel. ...
Fact-checked by The Editors of Encyclopaedia Britannica Article History Key People: Thomas Edison William Thomson, Baron Kelvin Alexander Graham Bell Guglielmo Marconi James Andrew Broun Ramsay, marquess and 10th earl of Dalhousie (Show more) Related Topics: radiotelegraphy TelAutograph desk-fax ...
(electrons). This led to the work ofGuglielmo Marconiof Italy,Lee de Forestof the United States, and many others, which laid the foundations ofradioengineering. In 1930 the termelectronicswas introduced to embraceradioand the industrial applications ofelectron tubes. Since 1947, when thetransistor...