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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 »

History of radio - Wikipedia


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

A Short History of Radio - Federal Communications Commission


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 ...

Radio Waves: A History, and Communication ... - ScienceAid


Radio Waves: A History, and Communication, Amplitude Modification (AM) and Frequency Modulation (FM). Edited by Jamie (ScienceAid Editor), Taylor ...

Radio Waves: A History, and Communication ... - ScienceAid


The first modern forms of long-distance communication were telegraph and later telephone. These used vast networks of wires to send information. Towards the ...

Radio Waves - Engineering and Technology History Wiki


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 ...

Connected Earth: The origins of radio


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 ...

CBN History: Radio/Broadcasting Timeline | WCBN-FM


1888: Heinrich Hertz detects and produces radio waves. 1894: Marchese Guglielmo Marconi builds his first radio equipment, a device that will ring a bell from 30 ...

Guglielmo Marconi - Inventions - HISTORY.com


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

Who Invented the Radio? History of Radio Invention


During 1860s, James Maxwell, a Scottish physicist forecasted presence of radio waves. And in year 1886, Heinrich Hertz showcased projection of swift variation ...