[ExI] The Great Silence again

[Eugen Leitl]

On Tue, Apr 26, 2011 at 08:42:05PM +0100, BillK wrote:
> On Tue, Apr 26, 2011 at 8:25 PM, Eugen Leitl  wrote:
> > No, they will result in a huge canvas of culture cells. Just as
> > today's Earth, only much, much larger.
> >
> 
> But invisible and not changing any natural bodies in the galaxy.

They're about as invisible as Tsar Bomba from a few km
distance. The observation window is very short.

> Do you think they exist outside your imagination?

You being able to write this message is the best
proof that we're not in anybody's smart lightcone.

In fact, the best way to observe an expansion is
to be the nucleus; anthropic principle.
 
> The whole galaxy could easily have been colonised by now even at low
> sub-light speeds if they wanted to. We are late arrivals.  These
> invisible civilisations haven't done too well at expanding up to now.

The entire galaxy is colonized by invisible pink unicorns.