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I believe being underwater wouldn't save you from the biology impact of a cataclism if you rely on it for food.

• uvdiv 13y ago
  There's no biology on Mercury either, so whatever system you use there, would work as well or better underwater.
  • hcarvalhoalves 13y ago
    Yeah I think so. It wasn't comparing to Mercury though, just pointing out underwater probably isn't an oasis.
    • deleted 13y ago
      [deleted]
  • lmm 13y ago
    One of the biggest points of the article was that Mercury has abundant available energy from the sun - just stick up some solar panels, or the thermal gradients are perfect for running turbines - large enough to supply a lot of power, but not so large that engineering becomes hard. While there are some energy sources available underwater, it would seem to be much more difficult to exploit them.
    • uvdiv 13y ago
      or the thermal gradients are perfect for running turbines They're completely useless, actually: they're in insulating rock with no ability to conduct away heat. As soon you try to exploit a temperature gradient, you destroy it.