Howto Survival

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=How do you make pure drinking water using only a piece of aluminum?

<embed> https://www.dailykos.com/stories/2020/7/15/1960859/-How-do-you-make-pure-drinking-water-using-only-a-piece-of-aluminum?utm_campaign=trending </embed> DailyKos 7/15/2020

Published July 13 in Nature Sustainability, they took a simple piece of cheapo aluminum, and with some quick laser etching turned it into a super-wicking, super-light-absorbing, super-water-evaporating surface that provides easy water purification, using only light from the Sun.  I mean, they hit the trifecta.

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