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History of radio


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 ...

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 ...

The history of radio - Did you know?


Feb 4, 2010 ... He was fascinated by Heinrich Hertz's earlier discovery of radio waves and realized that it can be used for sending and receiving telegraph ...

United States Early Radio History


Personal Communication by Wireless (1879-1922) - After Heinrich Hertz demonstrated the existence of radio waves, some were enchanted by the idea that this ...

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 ...

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 ...

History Of Radio - Angelfire


Many people hear the name Marconi and attribute the invention of radio to him. ... Electron Tube which permitted the detection of high frequency radio waves.

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 ...

radio Facts, information, pictures | Encyclopedia.com articles about ...


How Products Are Made Dictionary of American History The Columbia ... The radio converts these electromagnetic waves, called a signal, into sounds that ...

Radio wave
Radio waves are a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared light. Radio waves have frequencies ... More »
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History of Communications - RADIO: The Ideas that Made Radio ...


Nov 21, 2005 ... Federal Communications Commission History. ... provided much of the early impetus to develop wireless communications via the radio waves.

Radio Waves: A History, and Communication, Amplitude ...


Radio communication began with Marconi and was developed to be used for television and radio broadcast. Ground waves, sky waves and space waves and  ...

The Invention of Radio - Wireless Telegraphy - Inventors - About.com


An outline of the development of radio technology - radio owes its development to two ... However, it all started with the discovery of "radio waves" - electromagnetic waves that have the .... Here's an A-Z List of History's Most Famous Inventors.