Major everyday discoveries that were helped by luck in some way include products like vulcanized rubber, teflon, nylon, penicillin, cyanoacrylate (Super Glue), the implantable pacemaker, the microwave oven, Scotchgard, Saran wrap, Silly Putty, Slinky, safety glass,[3] propeller, snowmaking, stainless steel, Perkin's mauve, and popsicles. Most artificial sweeteners have been discovered when accidentally tasted, including aspartame and saccharin.[3]