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Inventions

Inventions
What Frank Whittle invented?

Sonar
Radar
Ethyl gasoline
Jet propulsion

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Inventions
What African-American inventor received 5 patents in the field of shoemaking?

Ernest Just
Jan Ernst Matzeliger
Elijah McCoy
Lewis Latimer

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Inventions
Who invented Dynamite?

Alfred B. Nobel
Thomas Alva Edison
Benjamin Franklin
Sir Alexander Graham Bell

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Inventions
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.

Bessie Blount
Marjorie Joyner
Mae Jamison
Beulah Henry

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Inventions
What inspired reflecting road lights to be invented?

Car door reflecting mirrors
Sun light on steel posts on road sides
The sun light on the windshield
The light a cat's eyes gave off on a fence

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Inventions
Who is the English physicist responsible for the 'Big Bang Theory'?

Albert Einstein
George Gamow
Michael Skube
Roger Penrose

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