Filed under: Gaming, Household Kids -- they hate brushing their teeth. Sure, we try and show them pictures of zombie faces and toothless seniors, but it just doesn't work. Finally, someone has come up with a solution to the problem: make it fun. Researchers at the National Taiwan University have devised a scheme which turns brushing your teeth into a webcam-tracked video game. Using an LED-studded toothbrush, a camera mounted above a mirror, and an LCD display, kids can watch plaque and debris get annihilated from a cartoon mouth while they scrub their choppers. The s