Radio Transmission
The next advancement in radio took place with the addition of vacuum tubes. This new technology allowed for actual audio/voice radio transmissions. On December 24, 1906 the first radio program broadcasted Christmas music to ships in the Atlantic from Massachusetts. Did you find the 3 changes? Click to see the next puzzle.
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This first radio broadcast, and radio technology for the next 25 years, was AM radio. Almost overnight radio stations began popping-up all over the world. |
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