An air conditioner for homes and offices that uses no electricity | Hacker News

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		An air conditioner for homes and offices that uses no electricity (engineeringforchange.org)
		4 points by Red_Tarsius on June 7, 2019 \| hide \| past \| favorite \| 1 comment

buffaloo on June 7, 2019 [–]

Does it cool a room? Where does the heat go?

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