[geeks] [rescue] Computerfests (was: first real server hardware) -OT

[Sandwich Maker]

" From: David A de Gruyl <david at bhaermandegruyl.org>
" 
" * on [04-04-28 13:35] R. Lonstein wrote:
" >Don't forget that just freeing the hydrogen isn't enough. You need to
" >transport it from the source to the point of use. The obvious existing
" >tech way is to create an infrastructure and pipeline it to a
" >distribution point and then move it in a tank to get close to the use,
" >which, aside from the costs of building the distribution
" >infrastructure from scratch, means compressing it. That compression is
" >a large additional energy input even if you assume the infrastructure
" >is free.

like maybe the existing ng pipeline network?

" Actually, piplining hydrogen is generally a bad idea.  Hydrogen 
" molecules are _very_ small.  Sealing hydrogen lines is a big problem.
" (air tight pipes are generally not hydrogen tight).

then there's hydrogen embrittlement of the steel...

" For transportation, using electricity to transport the energy is 
" preferred.  But entropy increases.

maybe with hvdc electricity is preferred, but otherwise you can pump
energy cheaper via ng pipelines than via wires.
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