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5 of the biggest inventions in US History during the Roaring '20s!
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The first US Radio station was KDKA however the original radio station was created by Guglielmo Marconi. This accelerated communication globally.
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Invented by Dr. Harvey Fletcher of Brigham Young University to evaluate hearing loss.
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Created by Lloyd Espenschied and used to measure the aircraft's distance from the ground.
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Created by Robert H. Goddard which was a catalyst to the race to space.
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Created by Alexander Fleming, Professor of Bacteriology at St. Mary's Hospital in London, and used commonly as an antibiotic
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