Researchers have built the first refrigerant-free system to reach sub-zero temperatures, a breakthrough that could reduce food waste and greenhouse gas emissions.

Imaging if this technology could cool a data centre.

  • Munkisquisher@lemmy.nzEnglish
    1·
    22 hours ago

    There are filters that you just need a little compression to get close to pure nitrogen out of, then a lot of cooling to liquify it.