User blog comment:Krayfish/Hypothetical biochemistries/@comment-2001921-20120923091816/@comment-4444176-20120923095458

Just my opinion but I think that one day it could be possible for such things to exist, at this very moment we have only a 'basic understanding' of life and the universe, it possible that within the coming 200 years our knowledge of life is expanded beyond a point that we have finally found a way to make this a reality.

Or in short, are we truly sure that we know 'everything' about life?