China’s ultra-hot heat pump breakthrough paves way for melting ore with sunlight | South China Morning Post
https://www.scmp.com/news/china/science/article/3336593/chinas-ultra-hot-heat-pump-breakthrough-paves-way-melting-ore-sunlight
by Ben-Goldberg
1 comment
https://interestingengineering.com/energy/china-heat-pump-turns-sunlight-into-heat
Non paywall. It’s a thermo-acoustic compressor. ~~Tom~~ Ben and Jerry’s ice cream has some similar refrigeration tech using something like this for moving heat.
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