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water harvesting

A simpler, more efficient device for harvesting water from the air

A simple, compact system first collects moisture from the air (left) and then releases the trapped liquid (right) when heated, which results in potable water.

Small, adsorbent ‘fins’ collect humidity rather than swim through water

MIT engineers have synthesized a superabsorbent material that can soak up a record amount of moisture from the air, even in desert-like conditions. Pictured are the hydrogel discs swollen in water. Credits:Image: Gustav Graeber and Carlos D. Díaz-Marín

Engineers Develop Superabsorbent Material for Harvesting Water from Desert Air

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