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Radio wave - Wikipedia
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies ... More »

en.wikipedia.org/wiki/History_of_radio

Early on after their discovery, radio waves were referred to as ... University Museum of Natural History on August 14, 1894.

scienceaid.net/physics/waves/radio.html

The first forms of long-distance communication mediums were the telegraph (in 1837) and later the telephone in 1876). These inventions used wires to transmit ...

transition.fcc.gov/omd/history/radio/documents/short_history.pdf

electric waves wirelessly. Although Hertz originally thought his work had no practical use, today it is recognized as the fundamental building block of radio and ...

ethw.org/Radio_Waves

Sep 28, 2015 ... Radio Waves Hazard Symbol. When electrons move in a wire—that is, when there is an electric current in the wire—electric and magnetic fields ...

www.connected-earth.com/Journeys/Firstgenerationtechnologies/Awirelessworld/Theoriginsofradio/index.htm

Discovering radio waves (1864) : an amazing piece of maths. The story of ... Marconi's first wireless signal (1893) : three dots that made history. In June 1896 a ...

ieeexplore.ieee.org/iel7/35/7841454/07841460.pdf

HISTORY OF COMMUNICATIONS. ABSTRACT. Radio waves from a few kilohertz to millimeter-wave frequencies play a key role in modern wireless ...

www.history.com/topics/inventions/guglielmo-marconi

Find out more about the history of Guglielmo Marconi, including videos, interesting ... Many physicists argued that radio waves traveled in straight lines, making it ...

www.engineersgarage.com/invention-stories/radio-history

Read Invention Story of the Radio and its history at EngineersGarage. ... And it all began with invention of radio waves, which have capacity to send out speech, ...

www.insidegnss.com/node/5211

Nov 14, 2016 ... Probably no one else could have accomplished Brad Parkinson's bravura performance at the joint meeting of the Stanford PNT ...