Desalination takes salt and other contaminants out of water. Now scientists are looking to take the prohibitive costs out of desalination.
“Researchers have come up with a solar-powered technique that could make small-scale desalination systems affordable, even for individual households. The approach is a new take on an old technology known as a solar still. These stills — large containers covered by clear plastic tarps or glass enclosures — direct sunlight onto a basin of salty water,” Science journal reported.
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