O'Neil cylinders Forum: Spacesettlers
Thread: O'Neil cylinders
# 1029 bythe_doctor@... on March 22, 2001, 8:47 p.m.
Member since 2021-10-03
On Thu, 22 March 2001, Al Globus wrote:
At the science museum in Phoenix Arizona, they sell these sealed glass globes with some sort of shrimp and some simple plant in them. As long as you give them just enough light, and ignore them, they are supposed to chug along indefinately. NASA was supposed to have had something to do with them...
Mark
>
> A small test of my own: my daughter put some soil and a flower plant in a
> plastic container and closed the lid tightly. She gave it to me and I put it
> in back of the house and ignored it for months. It's still alive. The
> original flower died, but grasses came up and they seem to be reasonably
> happy. I'm sure it's not completely gas tight, but it's tight enough to keep
> the water vapor inside.
>
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