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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, inventor of Kevlar Ignacy Łukasiewicz built world's first oil refinery. Marian Rejewski, Jerzy Różycki, and Henryk Zygalski, Polish mathematician–cryptologists, broke German Enigma-machine ciphers before and during World War II. Sharing their techniques with the British, they enabled British reading of Enigma messages.
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.
1 Events. Toggle Events subsection ... As of the start of 1923, the Gregorian calendar was 13 days ahead of the Julian calendar, ... Stephanie Kwolek, ...
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.
Inauguration Day ceremonies will air on major news networks including ABC, CBS, CNN, NBC, CSPAN and Fox News. You can also watch the day's events via USA TODAY's YouTube livestream here.
2. Click Calendar. 3. Click on an event in the Day, Week, or Month view. 4. Click Edit. 5. Click the calendar name | select a calendar to move the event to. 6. Click Save. Note: To move a single event, click This Event Only. To move all future occurrences, click This Event and Future.
Kwolek is a Polish surname. Notable people with the surname include: Bartosz Kwolek (born 1997), Polish volleyball player; Stephanie Kwolek (1923–2014), American chemist; Charles Peter Kwolek III (born 1990), Polish DIII ATHLETE AKA KING RACKS