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Inventions

Inventions
In which decade was the transistor invented?

1980s
1950s
1940s
1960s

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Inventions
In which decade was the Internet first implemented?

1980s
1950s
1960s
1940s

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Inventions
Who invented the BALLPOINT PEN?

Biro Brothers
Waterman Brothers
Write Brothers
Bicc Brothers

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Inventions
When was the first Lionel trains manufactured?

1901
1944
1920
1890

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Inventions
For what is Charles Babbage (1792-1871) remembered?

Radio-Telegraphy
Telescopes
Steam Boating
Computers

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Inventions
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?

Leslie R. Groves
Robert Oppenheimer
Vannevar Bush
James B. Conant

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