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Accident Protection Device invented for Small Cars
6 August 2011: Researchers have developed an optical sensor for the windshield that can tell the difference between fog and darkness.
The new driver-assistance systems react more quickly than a human being can. They identify risks, warn of hazards and assist the driver in critical situations. Radar sensors, for instance, scan surrounding traffic conditions, monitoring the vehicle's blind spot or maintaining a safe distance to the vehicle in front; infrared detectors improve night vision, and fatigue sensors sound an alarm if there is a risk of momentary driver drowsiness. The system will also be available for small cars.
Source: sciencedaily