Re: Colony ship to Alpha Centauri - The Motion Picture Concept by A. Ahad

From: Rich Grise (richgrise_at_example.net)
Date: 01/04/05 

Date: Tue, 04 Jan 2005 06:14:36 GMT

On Mon, 03 Jan 2005 15:26:05 -0700, Mark Fergerson wrote:

> JeffM wrote:
>>>>if humanity did [make] an ark with 100% recycling
>>>>and 45,000 years of fuel and life support,
>>>>then do they really even need to launch it?
>>>>Kryten
>>>
>>>IIRC, Tucson's Biosphere 2 Human Greenhouse was a flop.
>>>Jim Thompson
>>>
>>
>> They underestimated how much land and biomass it took to support a
>> human.
>> The residents were soon on partial rations.
>> Heh. If it wasn't for water imports,
>> the L.A. Basin would be nothing more than a few scattered villages.
>> http://www.google.com/search?&q=los-angeles-basin+could-naturally-support-*-people
>
> I kept trying to point that out to RSW but he just won't
> accept it.
>
>>>photosynthesis is very inefficient (c. 0.02%?)
>>>so they'd have to be replaced by a more efficient CO2 to O2 processor.
>
>> Biosphere II pointed out their lousy calculations on that too
>> --they had to "open the windows".
>> Cornwall is right; failed experiments can be important too.
>
> If the planners had said "We expect to fail", would they
> have gotten funding?
>

Yeah, well, I think that's the point of the discussion - define "fail".

Cheers!
Rich

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