'Smart' Headlights Use Eye-Tracking To Beam Light Where Drivers Look

From self-driving cars to drunk driver-detecting lasers, researchers are using technology to help make the road much safer. And now, engineers at General Motors (GM) are developing "smart" headlights that beam light precisely where a driver is looking -- an invention that could improve visibility for drivers at night. "We want to actually implement the idea that the human eye is capable of guiding and regulating light," Ingolf Schneider, director of lighting technology at GM's subsidiary Opel ma...