So 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.
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.
"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