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Heinrich Hertz introduced the idea of radio.
In the 1880's, Hertz proved the possibility of radio but through electricity waves. -
The invention of the Tesla coil.
Nikola Tesla invents his "Tesla Coil", which could produce bolts of high voltage electricity at a low current. -
The first radio station
The first radio station was KDKA. -
The first commercial in radio
The first commercial on the radio was one for an apartment complex that was 10 minutes and cost $50 to air. -
Golden Era of Radio
The 30's and 40's was known as the "Golden Era" of radio. -
The invention of TV
The mass popularity of TV almost immediately killed off the existence of the "Radio Star".