Refrigeration
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Main > Food and Agriculture > Food Storage and Processing
Albert Einstein invented a refrigerator with no moving parts. It is powered by applying heat to one of the chambers; no electricity is required. The expired patent gives basic plans of how it works. This should be developed into a full open-source design with building instructions, bill of materials etc. It fulfils all the criteria for an Open Ecology product: it is in the public domain, it should last a lifetime and be cheap to build, it would be extremely useful to an off-grid community, it could help alleviate poverty .
