Seedling sealed in its own ecosystem and watered just once in 53 years.

[Bouncer]

The sealed bottle garden still thriving after 40 years without fresh air or water | Mail Online

[decadecadeca]

Interesting, should be useful on the spacestation.

Don't think that system would work for food plots but it might help with O2 production.

[Alina]

wild!

[Scrumhalf]

That's cool. My memory is a bit fuzzy, but didn't some scientists try something on a bit larger scale, like a big airtight tent with people in it somewhere in the Arizona desert? I think they were going for a bit more modest timeline, like 2 years or something.

[blm]

That's cool. My memory is a bit fuzzy, but didn't some scientists try something on a bit larger scale, like a big airtight tent with people in it somewhere in the Arizona desert? I think they were going for a bit more modest timeline, like 2 years or something.

The bio dome? Didn't it fail miserably?

[blm]

Found it; Biosphere.

It did fail initially but was taken over by other organizations with great success

http://www.b2science.org