"A UK-based team of researchers has created a graphene-based sieve capable of removing salt from seawater. The sought-after development could aid the millions of people without ready access to clean drinking water."

See salt water filter invented. And, speaking of graphene supercapacitors, see also: Kaner Laboratory researchers develop battery-like supercapacitor

Speaking of filters, I have been getting my refrigerator filters at discountfilters.com for years and am perfectly happy with them. I'm not sure if this is an “affiliate link” or not, but here's the link: https://dfl.ink/L5C49L

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