Explore the chemistry behind what makes kevlar so strong, and how this essential synthetic fiber was invented. The material was invented by a brilliant DuPont chemist named Stephanie Kwolek.

In case of penetration, the vest has failed and can’t be used by military personnel—alternative material for bulletproof vests. So, the pineapple lead fiber can’t be used to make bulletproof ...

The result: a line of soft, comfortable pantyhose made of a type of fiber typically used in bulletproof vests and climbing equipment. They’re “basically unbreakable,” says Homuth.

The company is working with a sports goods maker to develop products and hopes to find applications in airplane parts and bulletproof vests. Kowa has developed the brand name Minolon for the new ...