When was the zipper invented?
When was the zipper invented? The zipper was invented in 1913 by Gideon Sundback, a Swedish-American mechanical engineer who worked for the American clothing company Whitcomb Judson.
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What is the largest nuclear submarine in the world?
What is the largest nuclear submarine in the world? The largest nuclear submarine in the world was the American nuclear submarine USS Enterprise (CVN-65).
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What is the depth record for a submarine?
What is the depth record for a submarine? The depth record for a submarine was set by the American nuclear submarine Trieste II in 1960.
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Who invented the submarine?
Who invented the submarine? The submarine was invented by the American engineer John P. Holland in 1895. His first submarine, called Holland VI, was purchased by the United States Navy and u...
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What was the deepest underwater dive in human history?
What was the deepest underwater dive in human history? The deepest underwater dive in human history was conducted by American underwater explorer Victor Vescovo in 2019, when he reached a de...
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Who invented the helicopter?
Who invented the helicopter? The inventor of the helicopter was Igor Sikorsky. Igor Ivanovich Sikorsky was a Russian-American aeronautical and mechanical engineer who designed and built the...
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The true story of American Express
The true story of American Express - American Express was founded in 1850 in Buffalo, New York, as a shipping and money exchange company. Initially, the company focused mainly on providing f...
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What was the first radio station in history and where was it founded?
What was the first radio station in history and where was it born? The first radio station in history is considered to be the American radio station KDKA, which broadcasted the first officia...
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When was the first robot created?
When was the first robot created? The first robot was created in 1956 by American electronic engineer George Devol. His creation, called "Unimate", was a programmable mechanical arm that cou...
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How was the tomato discovered?
How was the tomato discovered - The tomato is native to the Central and South American regions and the indigenous people of the tropical areas of the continent had already been using it for...
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