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Nikola Tesla invented a model of the radio that did not work. But he is stil clamied as inventor of the radio, even though there are other people who may have invented the radio
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Heinrich Rudolph Hertz demonstrates that rapid variations of electric current can be progected into space on the form of radio waves simillar to light and heat.
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Guglielmo Macaroni sent radio signals and called it the wireles telagraph.
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Lee Defroest made it possible to amplefy radio signals before application to the reciver detector; thus much weeker signals could be utileized then previously before. Also Lee first used the word radio.
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Macaroni invents short wave transmission on the radio
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Edwin Howard Armstrong invents the fm radio which improves the audio signal of radio
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Didyouknow.org About.com inventors gogle images
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the radio might have a better signal and a screen that has lirics under the music vidio playing
