Spongey Water Purification

After floating in a lake for an hour, the device discharges drinkable water when heated by sunlight
After floating in a lake for an hour, the device discharges drinkable water when heated by sunlight
Xiaohui Xu , Princeton University

Ironically, many of the places that most require water purification have the least-developed infrastructure. That’s where a new filtration device comes in, as it’s activated by the sun – and it’s said to perform better than other solar-powered purification systems.

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