Super glue was discovered by accident in 1942, during a search for a clear plastic for gun sights.
Why it is true
Harry Coover, at Kodak, tested cyanoacrylates, but they stuck to everything and were set aside. In 1951 he came across them again and saw their potential. The glue went on sale in 1958 and was even used to close wounds on the battlefield.
Source: National Inventors Hall of Fame
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