When air, along with water vapor, passes through the material, its big pores allow water molecules to reach the LiCl particles inside, which absorb them. As more and more water goes in, ...

"At first we doubted our observations." Scientists stumble upon mind-blowing material that can produce water from thin air: 'Never been seen before' first appeared on The Cool Down.

Water-harvesting materials usually come with a trade-off: they either trap droplets well, or help them travel into a reservoir efficiently.