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A hidden deposit of lithium in a US lake could power 375 million EVs
(interestingengineering.com)
This is a most excellent place for technology news and articles.
I was there about twenty years ago, the banks were made up of rotting marine life (mostly fish) 12 - 18 inches deep.
The barnacles must be a more recent phenomenon, I was there a couple years ago. There were still fish skeletons lying around, but mostly this: