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Re: Closed ecosystem
>>> Olga writes:
Am I wrong in thinking that this would be impossible. Surely the sphere
could not be completely enclosed. The living things would need air.
Ahhh, but Olga, this is the cool part! This is the single part that makes it
interesting! Not only is it closed, it is completely sealed. They did the sealing
so well, that it was completely smooth all around, a hollow spherical glass ball.
Then this leads to another question... how did they get the shrimp, gravel, coral,
and sea water into to sphere and still be able to seal it so well?