[Milsurplus] [Boatanchors] Smart People: Gassy Tubes Reversable?

[J. Forster]

YW. Sometime, I'll write up how I know. I spoent quite a while looking
into this.

-John

=====================



> Thanks, John.  I sorta thought that, but asking don't hurt.  Much.
>
> ----- Original Message -----
> From: "J. Forster" <jfor at quikus.com>
>
>> NO.
>>
>> The diffusion rate through a semi-permeable membrane detends on the
>> pressure difference across the membrane.
>>
>> In the atmosphere that's about 14.PSI
>>
>> In a perfect vacuum chamber, the difference is between the tube inside
>> and
>> the chamber, which is at most 1/1000 of a PSI.
>>
>> It would take thousands to millions of years.
>
>