toothbrush

(Newser) - Who needs a morning coffee when your toothbrush releases a dose of caffeine? Colgate has applied for a patent on a brush that could do just that. The application describes "a toothbrush that releases a chemical into the mouth during use," but it won't stop at caffeine,...

(Newser) - South Korean scientists are working on road technology that allows electric vehicles to continually recharge while driving, Reuters reports. Inductive charging, used with watertight electric toothbrushes, requires no contact between power source and appliance. For vehicles, electric strips would be embedded in the road at intervals, and a magnetic field...