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Stephanie Louise Kwolek (/ ˈ k w oʊ l ɛ k /; July 31, 1923 – June 18, 2014) was a Polish-American chemist best known for inventing Kevlar (poly-paraphenylene terephthalamide). ). Her career at the DuPont company spanned more than 40 ye
Kevlar was initially used as a replacement for steel-belting in tires, and later for use in ropes, gaskets, and automotive and aviation parts. [1] [3] In 1971, Shubin, who was then the Director of Science and Technology for the National Institute for Law Enforcement and Criminal Justice, [4] suggested using Kevlar to replace nylon in bullet ...
Kevlar (para-aramid) [2] is a strong, heat-resistant synthetic fiber, related to other aramids such as Nomex and Technora.Developed by Stephanie Kwolek at DuPont in 1965, [3] [2] [4] the high-strength material was first used commercially in the early 1970s as a replacement for steel in racing tires.
Henri Thuile (died 1900), inventor of the large high-speed Thuile steam locomotive, died during a test run between Chartres and Orléans. Conflicting accounts indicate that he was either thrown from the derailing locomotive, hitting a telegraph pole, [ 44 ] or that he simply leaned too much and was instantly killed by hitting his head against a ...
Gaston Glock, inventor of the namesake pistol, dies at 94. Ramishah Maruf, CNN. December 27, 2023 at 6:49 PM. ... designed to be ready to fire at moment’s notice.
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.
Ten weeks to the day before a Harlem-born inventor died after slitting his throat in a Rikers Island jail cell, he stood before a Manhattan judge to make a desperate plea.
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