From: Spike Jones (spike66@attglobal.net)
Date: Fri Jan 11 2002 - 00:12:59 MST
> Robert Bradbury wrote:
> >
> > WE DO *NOT* HAVE THE TECHNOLOGY TO DETECT THE UNIVERSE
> > IS NOT IN LARGE PART ALREADY ENGINEERED.
> Eugene Leitl wrote: Given that even very
> modest engineering would be apparent from watching the skies with
> uninstrumented eye I don't think I have to explain anything.
This isn't at all clear to me. Consider the possibility that the universe is
a
dangerous place. Advanced technology societies may not wish to
announce their presence. If they are capable of building something
like Robert's proposed M brains, they might be able to do so quickly,
as in a few hundred years. The star would appear to wink out, at
least in geologic time. With sufficiently advanced technology, they
may be able to make theselves nearly invisible. spike
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