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Stephanie Louise Kwolek (/ ˈkwoʊlɛk /; 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. [1][2] For her discovery, Kwolek was awarded the DuPont company's Lavoisier Medal for outstanding technical ...
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.
Bette Nesmith Graham, the founder of the Liquid Paper company, invented one of the first forms of correction fluid in 1956. [42] House solar heating. Hungarian-American MIT inventor Mária Telkes and American architect Eleanor Raymond created, in 1947, the Dover Sun House, the first house powered by solar energy.
Federal Prison Camp, Bryan. Elizabeth Anne Holmes (born February 3, 1984) is an American biotechnology entrepreneur who was convicted of fraud in connection with her blood-testing company, Theranos. [2] The company's valuation soared after it claimed to have revolutionized blood testing by developing methods that needed only very small volumes ...
The best outfits and accessories from the Pioneer Woman's collection on sale during the Walmart Deals event. Brittany Nims and Katelyn Mullen. Updated October 11, 2024 at 11:34 AM.
Edith Clarke (February 10, 1883 – October 29, 1959) was an American electrical engineer. She was the first woman to be professionally employed as an electrical engineer in the United States, [1] and the first female professor of electrical engineering in the country. [2] She was the first woman to deliver a paper at the American Institute of ...
In truth, William Post was an accidental inventor, and he graciously insisted throughout his life that his great creation was a team effort. And his start in the snack business came as a truck washer.
Updated August 28, 2020 at 1:19 PM. A former Playboy model killed herself and her 7-year-old son after jumping from a hotel in Midtown New York City on Friday morning. The New York Post reports ...