Who is the English physicist responsible for the 'Big Bang Theory'?
Answer: C
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When was the first elevator built?
Answer: A
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What George Westinghouse invented?
Answer: D
Invented in 1868.
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the first solid state integrated circuit was demonstrated In which decade?
Answer: A
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Simpson and Harrison are associated with the invention of
Answer: D
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Who invented Radar
Answer: C
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Who is the only U.S. President to invent and patent something?
Answer: A
In 1849 Honest Abe invented a method to aid ships that got stuck on sandbars. He called it A Device for Buoying Vessels Over Shoals. It was never used.
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Light bulb was invited by-
Answer: C
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Who had an explosive idea and first patented DYNAMITE?
Answer: B
Alfred Noble patented dynamite in 1876. Nobel left $9 million in his will to be used as awards for people whose work benefit humanity - The Nobel Peace Prize etc.
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Printing press was invented by
Answer: A
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