• A new desalination method produces drinking water from seawater without chemical additives.

  • The solar-powered system uses specially engineered black metal to absorb sunlight.

  • Its self-cleaning surface separates and collects salts, instead of dumping them as harmful brine waste.

  • From the salts, the system can extract lithium, a key material for rechargeable batteries.

  • The approach could help address global water shortages and growing mineral demand.

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[–] 9 points 5 months ago

Solar distillation with a novel approach to dealing with the salt left after the water evaporates. Pretty neat.

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  • [–] 6 points 5 months ago

    specially engineered black metal

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  • 1 comment in c/hackernews@lemmy.bestiver.se view that post
    [–] 3 points 5 months ago

    I got really excited but femtosecond laser etching is probably not something I can replicate in a home lab.

    Hopefully it scales and is something we could buy soon

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