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TFA mentions some figures in paragraph 2 "The team developed a low-cost gel film made of abundant materials that can pull water from the air in even the driest
by NickRandom 4y ago
TFA mentions some figures in paragraph 2
"The team developed a low-cost gel film made of abundant materials that can pull water from the air in even the driest climates. The materials that facilitate this reaction cost a mere $2 per kilogram, and a single kilogram can produce more than 6 liters of water per day in areas with less than 15% relative humidity and 13 liters in areas with up to 30% relative humidity."
- onlyrealcuzzo 4y agoSo for about $26 - you could extract enough water to water a fruit tree indefinitely. Doesn't seem like this would be used for agriculture at scale - but it sure could beat digging a well to get water for a house.
- astroid 4y agoI'm going to copy this comment I saw on slashdot re: this yesterday that seemed to let some of the air out of the whole press release: "The salt mentioned is not table salt, but lithium chloride. Lithium chloride - which makes up a half by weight of the film, and is also in obvious demand for batteries, is $70/kg or so in bulk." I haven't really dug in deep myself, but this is the comment that deflated me when reading about this yesterday, so worth looking into at least imo