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"They have developed a completely passive system that is based on a foam-like material that draws moisture into its pores and is powered entirely by solar heat.
by adrianmonk 9y ago
"They have developed a completely passive system that is based on a foam-like material that draws moisture into its pores and is powered entirely by solar heat."
http://news.mit.edu/2017/MOF-device-harvests-fresh-water-from-air-0414 http://news.mit.edu/2017/MOF-device-harvests-fresh-water-fro...
- tytytytytytytyt 9y ago> The current version can only operate over a single night-and-day cycle with sunlight, Kim says, but “continous operation is also possible by utilizing abundant low-grade heat sources such as biomass and waste heat.” Why can it only un for a single day on solar?
- hexane360 9y agoIt can operate for multiple days, but it only generates water once a day. At night the foam absorbs moisture, and then sunlight provides energy to release it as water.