Solar powered water purifier is inexpensive and efficient

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Using inexpensive materials and a simple design, the University of Buffalo research team’s solar powered water purifier could retail for less than USD 2 per square meter. That cost is in stark contrast to water purification systems that depend on optical concentrators and can cost more than USD 200 per square meter. The team believes the new design could be life changing for remote communities living without reliable access to electricity and those affected by natural disasters. The solar still is made of expanded polystyrene foam and carbon-coated paper. The polystyrene keeps the structure afloat and acts as an insulator,…

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