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Old 07-06-2016, 09:24 AM
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WallShadow WallShadow is offline
Ephemera of the Big Ka-Boom
 
Join Date: Jan 2010
Location: near TMI
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Coattailing on Swag's post, I can see a Free City of Krakow McGuffin-chase centered on a solar-powered water purification/desalination prototype that had the added benefit of segregating the dissolved minerals into a recoverable form. Anybody remember how much gold is dissolved in ordinary seawater? The old fairy tale of the Magic Salt Grinder, in reverse, comes to mind.
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