Girl Planting seeds

Solar purifier creates its own disinfectant from water and sunlight

A hiker must decide whether to drink and risk infection from whatever bacteria are in the puddle, or endure dehydration. But hikers might one day be able to drink worry free, thanks to a new kind of water purifier that uses sunlight and water to produce hydrogen peroxide, a powerful and common antiseptic.  Read more...

 

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