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Inventions

Inventions
In which year was MIDI introduced?

1983
1973
1987
1977

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Inventions
Who among the following invented the small pox vaccine?

Robert Koch
Louis Pasteur
Robert Hooke
Edward Jenner

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Inventions
When were blue jeans invented?

1850s
1900s
1870s
1860s

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

Water skis
Golf tee
Hang glider
Motorboat

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Inventions
What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

VCR
Remote control
Calculator
Microwave oven

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Inventions
When was the first lawn mower invented?

1835
1849
1830
1854

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