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.
Source: Conservation Ecology News