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Top 100 Gadgets That Changed the World
September 1906, nearly three decades after Thomas Edison introduced it to a crowd in the office of the Scientific American. Because the design of the Victrola made the audio player look more like regular furniture
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Top 101 Female Inventions that Changed the World & Women’s Innovation History
Gai opted against patenting her device, the culmination of her hard work for 20 years, to further scientific advancement. Electron microscopes use a beam of accelerated electrons as the illumination source