cheap contaminated water filter

Inexpensive nanoparticle-coated paper presented in book form is an effective filter to clean contaminated water, invented by Theresa Dankovich.

Kounteya Sinha, “Page Out of Innovation: A Book that Filters Water,” The Times of India, August 18, 2015.

http://timesofindia.indiatimes.com/home/science/Page-out-of-innovation-A-book-that-filters-water/articleshow/48521298.cms

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