[ExI] Silence in the sky—but why?

[BillK]

On Mon, Aug 26, 2013 at 2:04 PM, Eugen Leitl wrote:
> Yes -- it is being existance. It's either mystery factor
> X, reliable against astronomical odds, or simply: we're
> not in anyone's smart lightcone (but our own).
>
> Fermi's Paradoxon ain't.
>

Look for mystery factor X then.
The astronomical (!) time-scales mean that we would inevitably be in
somebody's smart lightcone. The galaxy could have been colonised many
times over.


BillK