Look, it's very simple. All you need to solve the water shortage is a giant metal leaf that you put in the desert and it uses solar power to grow ice. Then you drink the ice. How is this difficult? Okay, this is not completely for real. The leaf's creators don't think it will singlehandedly solve the water shortage. But the solar desert ice farm itself, called SunGlacier, is kind of a serious idea. In fact, the refrigeration company that would build the thing has already managed to create a four-inch-thick chunk of ice in controlled desert-like conditions (104 degress, …
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