Q. What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?

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Q. What Sir Isaac Newton invented?

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Q. Who invented Bicycle?

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Q. In the 1700s, who would pay the postage fee for letters before the stamp was invented?

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Q. Who synthesized the first wholly artificial gene?

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Q. FROZEN FOOD - Who discovered the first practical method of freezing food?

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Q. When was the Raggedy Ann doll patented?

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Q. What Frank Whittle invented?

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Q. When was the first Lionel trains manufactured?

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Q. What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

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Q. What office item was invented by Bette Nesmith Graham in 1951?

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Q. What George Pullman invented?

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Q. Who invented Bakelite?

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Q. What toy was invented by Joshua Lionel Cowen around 1900?

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Q. This African-American woman physical therapist worked with soldiers disabled in World War II. She invented a device that helped the disabled to eat by delivering food through a tube to a mouthpiece.

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Q. What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927?

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Q. Who invented the phonograph?

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Q. What beverage was invented by Charles Alderton in 1885 in Waco, Texas?

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Q. Who invented fuel cells in 1839?

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Q. The ELECTRIC BATTERY, who's charged with inventing this one?

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