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Sustainable Energy

Video: Filtering Drinking Water with Nanofibers

This water bottle filter, made from nanofibers, can reduce water-borne diseases.

Liquidity, an Alameda, California-based startup, has developed a low-cost water filter made from nanofibers that it hopes will reduce water-borne diseases in poor countries. Naked Filter, a version designed for the developed world, attaches to a plastic water bottle. Its membrane of electrospun nanofibers allows water to pass through it quickly.

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