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Curated by: Kathy Loves Physics (123 videos)
Why was AM radio created and how? It all began in 1899 when a Canadian scientist heard a particular buzzing sound and decided that sound could be transferred wirelessly and ended in 1906 with the Alexanderson alternator and the electrolytic detector and a "perfect" wireless transfer of sound. Check it out! As usual, thanks to Kim Nalley, my goddess of music.