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[–] StatusQuip 0 points 4 points (+4|-0) ago 

Instead of grey we will have a beautiful GOLD GOO!

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[–] brandnewset 0 points 1 point (+1|-0) ago 

Cept those are bacteria, not alchemists. So a gold tinted goo at best.

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[–] StatusQuip ago 

Did you not understand my reference to the Grey Goo apocalypse? or were you just nitpicking my jest?

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[–] brandnewset 0 points 2 points (+2|-0) ago  (edited ago)

Now to get the nano gold out of the ocean. Each liter of seawater contains, on average, about 13 billionths of a gram of gold. 20 million tonnes or so.

Compare to the gold on land:

The best estimate at the end of 2011 is that around 165,000 metric tons (or tonnes) have been mined in all of human history.