Re: poly: Von Neuman Culture density functions(was: Is our lightcone is uninhabited except for us?)

From: Perry E. Metzger <>
Date: Tue Dec 16 1997 - 07:32:13 PST

James Rogers writes:
> >Given this, I find the idea that there might be advanced cultures in
> >our light cone that have not sent Von Neuman machines in our direction
> >exceptionally unlikely. Its possible -- I would never call it
> >impossible -- but it is not likely.
> My point is that a Von Neuman culture 5 billion light years away with a 4
> billion year head start on us would still be outside of our
> experience.

Did you see the "IN OUR LIGHT CONE" bit above?

A culture five billion light years away with a four billion year head
start is not in our light cone.

Received on Tue Dec 16 15:24:37 1997

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