4 ms·

How about something more ... Realistic https://www.thebrighterside.news/post/mits-high-tech-hydrogel-window-pulls-clean-drinking-water-from-dry-desert-air/ htt

• bmacho 1y ago
  That's the opposite of a tree, which turns drinking water into nothing
  • PaulHoule 1y ago
    "Water harvesting" has been around for a long time. I think I first saw a water harvesting device in the U.S. Army Survival manual in the 1980s. It's an active research area and devices continue to improve.
    • gsf_emergency_2 1y ago
      Passive? Hydrophobic+Dessicant? dew collector? In the desert? Dew collector seems to make the most sense for 1980