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Inventions

Inventions
In which year was MIDI introduced?

1987
1973
1983
1977

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Inventions
Who invented Gunpowder?

Leo H Baekeland
Sir Frank Whittle
Roger Bacon
G. Ferdinand Von Zeppelin

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Inventions
What toy was invented by Joshua Lionel Cowen around 1900?

Tinkertoys
Raggedy Ann doll
Electric train
Yo-yo

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Inventions
In which decade was the Internet first implemented?

1950s
1960s
1980s
1940s

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Inventions
When was barb wire patented?

1874
1900
1840
1895

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Inventions
Who invented the battery?

James Hargreaves
Alessandro Volta
Thomas Edison
John Wilkinson

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