'In 1965 Stephanie Kwolek developed this material used in bulletproof vests'
Kevlar
WHO THOUGHT OF THAT?: In 1965 Stephanie Kwolek developed this material used in bulletproof vests
In 1965 Stephanie Kwolek developed this material used in bulletproof vests
In 1965 Stephanie Kwolek developed this material used in bulletproof vests
WHO THOUGHT OF THAT?
Kevlar
WHO THOUGHT OF THAT?