Off-Grid Refrigeration Using Fire And Salt
hackaday.com
Refrigeration has been a challenge for humanity since the start. Ancient civilizations in dry climates like Persia and Egypt could use evaporative cooling on a large scale with specialized architec…
  • NihilsineNefas@slrpnk.netEnglish
    4·
    4 days ago

    Greenhill forge is a top tier channel, the guy’s so good at casually explaining the fine details without going overboard, all while putting together relatively complex systems

  • SomeoneSomewhere@lemmy.nzEnglish
    2·
    4 days ago

    “Achieves X degrees” is nice and all, but the COP on these systems tends to be pretty terrible. It’s only useful if you have free heat and scarce power.