Wednesday, August 08, 2012


Neither Rain, Nor Sleet...
Rain and snow cast distracting light back into the driver's eyes. But researchers have shown it's possible to create a headlight system that detects droplets or flakes, predicts their course, and steers light in between them. The system, developed at Carnegie Mellon University, concentrates on the crucial first few yards in front of the car. A camera picks up the precipitation when it enters the beam and a computer calculates its course, shutting off light in its path. Using current technology, at 19 miles per hour, such smart headlights could block 70% of heavy rain while losing only 5% of illumination. A system usable at highway speeds is several years off.

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