You’ve seen Bear Grylls turn foul water into drinking water with little more than sunlight and plastic. Now, academics have added a third element—carbon-dipped paper—that may turn this survival tactic into a highly efficient and inexpensive way to turn saltwater and contaminated water into potable water for personal use. The idea, which could help address global drinking water shortages, especially in developing areas and regions affected by natural disasters, is described in a study published
Academics build ultimate solar-powered water purifier
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