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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 years.
Stephanie Kwolek, American chemist of Polish origin, who in 1965 created the first of a family of synthetic fibers of exceptional strength and stiffness. The best-known member is Kevlar , a material used in protective vests as well as in boats, airplanes, ropes, cables, and much more—in total about 200 applications.
The timeline of historic inventions is a chronological list of particularly ... 3.7 kya: Star chart in France, [71] [72 ... Kevlar is invented by Stephanie Kwolek at ...
This timeline of clothing and textiles technology covers events relating to fiber and flexible woven material worn on the body. This includes the making, modification, usage, and knowledge of tools, machines, techniques, crafts, and manufacturing systems ( technology ).
A graphical view of the Cosmic Calendar, featuring the months of the year, days of December, and the final minute. The Cosmic Calendar is a method to visualize the chronology of the universe , scaling its current age of 13.8 billion years to a single year in order to help intuit it for pedagogical purposes in science education or popular science .
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Days of Our Lives alum Cody Longo has died at age 34, Us Weekly can confirm. Celebrity Deaths of 2023 R. ... Stephanie Nicole Clark, told TMZ in a statement on Friday, February 10. Per TMZ, ...
A powerful para-aramid synthetic fiber, developed by Stephanie Kwolek at DuPont in 1965 Polonium and radium The discoveries of elements radium and polonium were made by Polish chemist Marie Curie through the deep study of their nature and their compounds .