The uses and applications are endless!
]]>Assuming that this civilization flourished and then became extinct, would any evidence of it still remain today, several billion years later?
(and no, I don't believe it existed, but it is a funny little idea to play with in one's head)
Also, if it really is the result of plate tectonics that has kept Earth from experiencing a similar cataclysmic event, perhaps we can put up with the occasional disastrous earthquake now and then?
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