Berkley university shows off their water harvester, a solar-powered contraption that combined with a highly-pourous material is able to yield water directly from the atmosphere. You can also convert salt water to sweet by doing it old school.
Yaghi is a pioneer in metal-organic frameworks, which are solids with so many internal channels and holes that a sugar-cube-size MOF might have an internal surface area the size of six football fields. This surface area easily absorbs gases or liquids but, just as important, quickly releases them when heated. Various types of MOFs are already being tested as a way to pack more gas into the tanks of hydrogen-fueled vehicles, absorb carbon dioxide from smokestacks and store methane.
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