DRP
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# Posted: 12 May 2026 03:34pm
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This article on a new cooling tech popped up today;
https://timesofindia.indiatimes.com/science/saudi-arabias-scientists-create-nescod-a- cooling-system-that-works-without-electricity-even-in-extreme-heat/articleshow/131012 689.cms
Ammonium nitrate predates modern more efficient refrigerants. Phase-change cooling using ammonium nitrate, with a 1940s-built flywheel compressor powered by electricity, was still operating in the early 1980's at a SW Florida ice plant/ commercial fish house.
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