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Cooking Up Kevlar

  • April 5, 2015
  • By KIDS DISCOVER

In 1965, DuPont chemist Stephanie Kwolek was working on a new fiber for tires. She created a liquid crystal solution that could be spun into a super-strong material. This became Kevlar, the tough substance used today in body armor, helmets, and even spacecraft. (Peter Kai / Shutterstock)

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