Re:US solar plant costs fall another 30 per cent in one year
by addHocker on Wednesday September 20, 2017 @05:58AM
(#15292071)
There was a small project where somebody used a hygroscopic substance (Silicagel) to collect water in the atmosphere in the desert and freed it with concentrated sunlight, and then condensed it.
http://perkscience.com/harvest-water-desert-air/