Here's a quick question for you to use on unsuspecting friends at cocktail parties: What do Kevlar, engine mufflers, disposable cell phones, rotary engines, submarine lamps and telescopes, circular saws, elevated railways, medical syringes, windshield wipers, disposable diapers, fire escapes, and life rafts have in common?
Hmmmm........
54 Comments | Posted November 13, 2009 | 06:54 PM (EST)