They are effectively solar powered, since they rely on a temperature difference. | Hacker News

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		GlennS on April 12, 2014 \| parent \| context \| favorite \| on: This Tower Pulls Drinking Water Out of Thin Air They are effectively solar powered, since they rely on a temperature difference.

stcredzero on April 12, 2014 [–]

Ubiquitous electrical outlets cripple 1st worlder understanding of physics. Film at 11.

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