SciShow
Here's What Kevlar and Your Smartphone Have in Common
You might not believe it, but the same chemistry that brought us bulletproof vests and modern sailing sails also gave us the technology to build your smart phone. But that doesn’t mean these chemists were thinking about these...
National Science Foundation
National Science Foundation: Chance Discoveries: Kevlar
Richard Engel 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. [4:06]