[extropy-chat] Nuke 'em

Alfio Puglisi puglisi at arcetri.astro.it
Sun Oct 23 19:44:11 UTC 2005

On Sun, 23 Oct 2005, Robert J. Bradbury wrote:

> There are *real* problems with an electricity to hydrogen scheme (which
> can obviously be done through the electrolysis of water).  The problem
> is that hydrogen embrittles metal [1,2].  The entire current natural
> gas pipeline system could probably *not* carry hydrogen without significant
> safety risks and would have to be rebuilt/duplicated with pipes designed
> to carry hydrogen.  The last number I saw for that, and I think it was
> a significant underestimate, was $100 billion.

That's cheap. Less than half the cost of the Iraq war so far. So if the US 
wanted it could convert to hydrogen tomorrow, at least from a cost 


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