New Technique Turns T-Shirts into Body Armor

Those bulky, bulletproof vests could become a thing of the past. Their replacement: Your T-shirt, but with a special coating. Bulletproofing can be done in one of two ways. The first, old-school approach relies on hard plates of metal or ceramic, which deflect oncoming bullets. A more elegant way, perhaps, is the use of a network of fibers the approach taken by Kevlar to catch the bullet, much like a hockey goalie catches a flying puck.