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Inventions

Inventions
In which decade was the AEEE (now the IEEE) founded?

1930s
1880s
1950s
1850s

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Inventions
What plaything was invented by Joe McVicker in 1956?

Silly Putty
Etch-A-Sketch
Play-Doh
Lite-Brite

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Inventions
What Elisha Otis invented?

Jet Engine
Hydraulic Crane
The brake used in modern elevators
Turbine

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Inventions
Where was the yo-yo invented?

England
United States
Philippines
France

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Inventions
When were bar code scanners invented?

1970s
1950s
1960s
1940s

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Inventions
What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869?

Vacuum cleaner
Blender
Washing machine
Electric mixer

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