XPost: misc.news.internet.discuss   
   From: here@is.invalid   
      
   Scientists at Johns Hopkins and Samsung have developed a   
   nano-engineered thermoelectric material that is twice as efficient at   
   material-level cooling as existing alternatives, paving the way for   
   broader adoption of solid-state refrigeration technology.   
      
   Commercial refrigeration and air conditioning tend to use compressors   
   that pump vaporized refrigerant through a cooling system. The   
   chemicals used in this process aren't great for the environment, and   
   it's bulky and energy intensive at scale.   
   ...   
   The Nature Communications paper documents the researchers' claim that   
   thin-film thermoelectric components are ready for mainstream   
   refrigeration applications. The research team said it achieved   
   thermoelectric cooling that was almost 100 percent more efficient at   
   room temperature (300 K, ~80F, ~27C) than other thermoelectric   
   materials. And when implemented in thermoelectric modules built with   
   the CHESS materials, the efficiency improvement amounted to about 70   
   percent.   
      
   https://www.theregister.com/2025/07/03/cold_without_the_compressor_boffins/   
      
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