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Chance Discoveries: Kevlar

Chance Discoveries: Kevlar

With Armed Forces Day celebrated on May 20, see Richard Engel discuss an invention that has saved many soldiers' lives. He tells the story of lab work done in 1965 by DuPont chemist Stephanie Kwolek that unexpectedly produced Kevlar, a lightweight fiber five times stronger than steel used in bulletproof vests.

courtesy of Knovation