Atmospheric humidity provides water to off-grid communities
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Using compounds invented 20 years ago by a team at the University of California Berkeley, a team in the Massachusetts Institute of Technology (MIT) Device Research Laboratory created a solar-powered method for gathering potable water from air-borne water vapor. Based around the capabilities of a metal organic framework (MOF), drinking water is collected by taking advantage of the change in phase of water from vapor to liquid. MOFs can be many different sizes and composed of different materials. The one used to gather water has been engineered to work best with air of 20 percent humidity. That amount is far lower than what other devices are currently capable of working with, which is what makes it ideal for use in arid regions.
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