3. Teflon’s First Use Was Military
Before becoming a household name, Teflon played a secret role in World War II. Its remarkable resistance to chemicals made it invaluable during the Manhattan Project, where it lined pipes and containers exposed to highly corrosive uranium hexafluoride gas. Teflon’s ability to withstand extreme conditions proved crucial for nuclear research, long before it ever touched a frying pan. (Source: American Chemical Society)