[ExI] extropy-chat Digest, Vol 78, Issue 2

[Stefano Vaj]

On 1 March 2010 17:48, Keith Henson <hkeithhenson at gmail.com> wrote:
> Energy and space relate through solar power satellites.  Alas, that is
> looking less and less likely since another approach has come along
> that will make energy in the "half the cost of coal" range and takes a
> lot less front end investment.  Spike knows what I am talking about.

Why, give us at least a few hints... :-)

-- 
Stefano Vaj