this post was submitted on 28 May 2024
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Researchers explore mining seawater for critical metals (grist.org)
submitted 5 months ago by [email protected] to c/[email protected]
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[–] [email protected] 4 points 5 months ago* (last edited 5 months ago)

This was a Donald Duck comic when I was a kid in the 1970s. The smart inventor (Ludwig Von Drake) was trying to mine gold from the ocean, but the energy cost was too great and so it was done at a loss.

We try this once in a while, and it's still too expensive.