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| From: CICLOVIVO |
"Each page [of The Drinkable Book] is its own little filter that can clean up to 100 liters of water (that’s around a 30-day supply). This means each book can provide a single person with up to four years of clean water. Researchers at Carnegie Mellon and University of Virginia developed a special kind of paper that’s coated in silver nanoparticles, which kill bacteria."
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