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Air pollution is getting worse, a wide variety of air purifiers appear to improve our lives, but that they can not realize their contact with air pollution, I designed a clock whose intention is to remind people, air pollution and establish contact their own lives, the clock display will be with the increase pm2.5, and become more blurred, on the contrary, the air quality is better, time to see more clearly. Improve air quality, its essence still want people to realize that the impact of air pollution on their lives, and improve the environment with practical action.
Shanghai Normal University