Q. In which decade was the transistor invented?

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Q. What Igor Sikorsky invented?

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Q. What Henry Bessemer invented?

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Q. What invention was first installed at a Hartford, Connecticut bank in 1889?

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Q. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

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Q. Who invented Bifocal Lens?

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Q. What Karl Benz invented?

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Q. When were bar code scanners invented?

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Q. When was the game Frisbee invented?

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Q. This English inventor is known as the 'Father of Computing.'

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Q. Who invented Airship (rigid)?

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Q. What piece of clothing was invented by French fashion designer Louis Reard in 1946?

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Q. In which year was MIDI introduced?

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Q. Who invented the first controllable flying AEROPLANE (AIRPLANE)?

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Q. What groovy item was invented by Englishman Edward Craven Walker in 1963?

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Q. In which decade was the Internet first implemented?

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Q. What did cardiologist Dr. Paul Zoll invent in Massachusetts in 1952?

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Q. What Elmer A. Sperry invented?

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Q. For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?

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Q. Who developed the idea of Crop Rotation?

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