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DuPont chemist Stephanie Kwolek invented Kevlar (poly-paraphenylene terephthalamide) in 1965 while researching high-performance fibers. Kevlar's tensile strength is 5x steel by weight — used in bulletproof vests, aerospace, and fiber optics.
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DuPont chemist Stephanie Kwolek invented Kevlar (poly-paraphenylene terephthalamide) in 1965 while researching high-performance fibers. Kevlar's tensile strength is 5x steel by weight — used in bulletproof vests, aerospace, and fiber optics.