Cooling system works without electricity

[rangerrebew]

Cooling system works without electricity

Date:
    September 5, 2017
Source:
    Stanford University
Summary:
    Scientists cooled water without electricity by sending excess heat where it won't be noticed -- space. The specialized optical surfaces they developed are a major step toward applying this technology to air conditioning and refrigeration.
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FULL STORY

https://www.sciencedaily.com/releases/2017/09/170905145530.htm

[Joe Wooten]

The one thing they did not mention was the cost of the multilayer films they used in the experiment. I'd bet it has a capital cost that dwarfs conventional cooling capital AND operational costs by a huge margin.