• barsoap@lemm.ee
    link
    fedilink
    English
    arrow-up
    2
    ·
    2 months ago

    Vacuums are bad at dissipating heat.

    They’re also very good at not stopping infrared radiation.

    • InvertedParallax@lemm.ee
      link
      fedilink
      English
      arrow-up
      2
      ·
      edit-2
      2 months ago

      The IR band gap is high enough that you’d need really efficient heat pumps to keep things radiating well. Otherwise the heat pumps generate more heat than you can radiate.