Terraform Earth

The Zeer Pot – the Pot-In-Pot refrigerator

This low-tech, low income solution to lack of refrigeration uses evaporation to cool containers.

image at http://www.scienceinafrica.co.za/2004/september/refrigeration.htm

The double-walled pot has an inner volume where food or medicine can be stored, and an outer volume where sand is loaded. A little water is added to the sand, and the process of evaporation cools the inner container. All the technolgy required is pottery (nearly universal). The inventor was a teacher in Nigeria.


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  1. * milanajane says:

    im doing an assignment on this topic. do you have anymore useful information?

    | Reply Posted 9 years, 7 months ago

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