I'm just making the basic point that we have a wealth of much more hospitable places to live on earth, and somehow they're not viable candidates as "backup plans" for humanity.
Going a little further, living in the ocean is easier than living on Mars. As far as I can tell there are no billionaire-funded submarine civilisation programs.
I'm just making the basic point that we have a wealth of much more hospitable places to live on earth, and somehow they're not viable candidates as "backup plans" for humanity.
Going a little further, living in the ocean is easier than living on Mars. As far as I can tell there are no billionaire-funded submarine civilisation programs.