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During the 1860s a scottish physicist named James Clerk Maxwell predicted the existence of radio waves
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A german physicist named Heinrich Rudolph Hertz demonstrated that rapid variations of electric current could be projected into space in the form of radio waves similar to those of light and heat.
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A german pysicist named Henirich Hertz was the first to prove that you could transmit and recieve electric waves wirelessly.
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This reduced the isolation of the ships thus improving both reliability and safety.
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Nikola Tesla wirelessly transmitted electromagnetic energy.
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Guglielmo Marconi an Italian inventor, proved the feasibility of radio communication. He sent and received his first radio signal in Italy in 1895
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The R.F. Matthews was the first ship to request emergency assistance using radio technology.
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In 1906, Lee De Forest created the idea for the audion tube, a vacuum tube that amplified signals.
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Reginald Fessenden is the first to transmit a program of speech and music.
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First Radio Transmission from an Airplane
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On March 8, 1916, Harold Power with his radio company American Radio and Research Company (AMRAD), broadcast the first continuous broadcast in the world
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All radio stations not needed by the government are closed as WWI begins.
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Inventor Edwin Howard Armstrong is credited with developing many of the features of radio as it is known today. Armstrong patented three important inventions that made today's radio possible. Regeneration, the superheterodyne circuit and wide-band frequency modulation or FM
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The digital Compact Disc (CD) is introduced by a Japanese conglomerate.
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The Moving Picture Experts Group MPEG-1 Audio Layer III (MP3) compressed audio file format becomes an international standard, and eventually the most popular format for distributing digital audio over the Internet.