Forget About Slowing Down Light

A physicist at the University of Rochester is making light move backwards. Which makes it... move faster than light? When a pulse of light is sent through a special fiber optic, the pulse appears at the far end, splits in two, with one of the split pulses proceeding out of the fiber and the other moving back into the fiber to cancel out the pulse as it enters the fiber. If this hurts your head, well, you're not alone. [article]