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We have been learning about sound in our class and we made up the question how do radios produce sound? and we started to try to answer it. We were successful and we are going to share with you what we found out... So we will be telling you about amplitude modulation, frequency modulation, and just overall how radios work. It is pretty amazing how radios work, with all their signals and stuff! Check our wiki out and tell your friends this is an easy wiki to understand so its good for inquiry for your class! These are the people that jump in the porthole to another universe... RADIO! Guglielmo Marconi, Nikola Tesla, Alexander Popov, Sir Oliver Lodge, Reginald Fessenden, Heinrich Hertz, Amos Dolbear, Mahlon Loomis, Nathan Stubblefield and James Clerk Maxwell. We have just recently had Xardas Grandad in to talk about radios he has been doing radios for ages he taught us alot. media type="custom" key="3837623" media type="custom" key="3844633" width="160" height="341"