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11 Inventions That Changed the World as We Know It
HowStuffWorks via Yahoo News· 7 months agoInventing a useful product or process is serious business — turn a great idea into a marketable widget, and you could earn millions of dollars. But that...
Who invented the telephone?
Live Science via Yahoo News· 1 year agoOld telephone made of copper Phones are integral to the everyday lives of most people, but who should be regarded as the device's mastermind? The...