“in a crisis, what do we do? We ship water. After a few weeks, we set up camps, and people are forced to come into these camps to get their safe drinking water. What happens when twenty thousand people congregate in a camp? Diseases spread, more resources are required, the problem just becomes self-perpetuating.” So Pritchard decided to do something. A few years later, in 2009, he’d completed the Lifesaver bottle. With a hand pump on one end and a filter on the other, the bottle doesn’t look especially high tech, but that filter is unlike any other. Researchers in nanotechnology work at
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