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The news article discusses China's use of colored laser technology in the sky above a highway to reduce driving accidents caused by drowsiness and fatigue. Laser devices have been installed along the road connecting Qingdao and Ningde, projecting colorful lights into the sky without directly illuminating the vehicles, aimed at alerting drivers and breaking the monotony of long drives, especially at night. Although this experiment may help boost alertness and decrease the risk of sleep-related accidents, its effectiveness still requires more in-depth scientific studies. There are also concerns about distracting drivers or negatively affecting light-sensitive individuals. This technology needs further evaluation to ensure its safety and effectiveness as a road safety measure.
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