Low-cost air filter could help Beijing breathe easy

[Centrics]

Material scientists at Stanford University have developed a highly effective semitransparent air filter that can collect 99 percent of the very small PM2.5 particles, considered the most harmful to the human respiratory tract. The low-cost filters, which don’t require power to function, could be used to build better protective facemasks, window screens, filtration systems in hospitals, and perhaps even to reduce pollution from cars and industrial smoke stacks. .. Continue Reading Low-cost air filter could help Beijing breathe easy

Section: Science

Tags: Beijing, Filter, Pollution, Stanford University

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