CHAIN MAIL? TOO heavy. Suits of armor? They rust. Shields? Too unwieldy. The quest for a lightweight but powerful body armor was unfulfilled until a Du Pont chemist whipped up a new batch of ...
Thousands of police officers and soldiers who were saved by a bulletproof vest owe their lives to a Delaware woman named Stephanie Kwolek. Kwolek, who died Wednesday, was a DuPont Co. chemist who in ...
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