[ExI] extropy-chat Digest, Vol 90, Issue 29

[Adrian Tymes]

2011/3/23 Stefano Vaj <stefano.vaj at gmail.com>:
> Moreover, since it would be a "just-once" project, as far as rational
> choices are concerned, one could reasonably compare the costs and damages
> expectedly arising from its employment with those of *not* doing it.

If it's just once, how does it take less resources to develop nuclear
rockets - if this is the only thing they'll ever be used for - instead of
simply building a few more chemical rockets?