A super-thin slice of wood can be used to turn saltwater drinkable, suggests a new study. Scientists developed a new kind of membrane made of natural wood instead of plastic, which is more energy efficient and doesn’t use fossil-fuel based materials like many other membranes for water filtration.
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Most ways to purify saltwater take up a lot of energy, but simply running seawater through a thin, heated slice of porous wood can render it fresh and drinkable

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