Stephanie Kwolek, Kevlar inventor, dies at 90.
R.I.P.
[FONT=Verdana,Sans-serif]A pioneer as a woman in heavily male field, Kwolek made the breakthrough while working on specialty fibers at a DuPont laboratory in Wilmington. She developed a liquid crystalline solution that could be spun into exceptionally tough fibers, several times stronger by weight than steel.[/FONT]
R.I.P.
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