OtterKnow Kids EncyclopediaStephanie Kwolek was a wonderful scientist who invented one of the strongest materials in the world! Her invention, called Kevlar, has saved thousands of lives. Stephanie showed us that big discoveries can happen in a science lab!
One day, Stephanie mixed a cloudy, watery liquid and spun it into a thread. She discovered that this new material was five times stronger than steel, even though it was super light! She named her new material Kevlar. It is used to make special vests that protect police officers and soldiers, strong ropes, and even safe helmets for riding bikes!
- Kevlar is five times stronger than steel but light enough to wear as clothing!
- Stephanie Kwolek’s invention has saved thousands of lives by protecting people with bulletproof vests.
- She was inducted into the National Inventors Hall of Fame for her discovery!
