[ExI] More Fermi Paradox

[Eugen Leitl]

On Tue, May 14, 2013 at 03:44:51PM +0100, BillK wrote:

> His No.7 - All Aliens Are Homebodies

If you play a million rounds of Russian roulette, would you expect
to survive?

> is the retreat into virtual worlds suggestion that I rather fancy at present.
> "Massive supercomputers would be able to simulate universes within

That's not how it works, do the math.

> universes, and lifetimes within lifetimes — and at speeds and
> variations far removed from what’s exhibited in the tired old analog
> world."

But the massive supercomputers are called that because they are... massive.
Massive enough to turn whole stellar systems into FIR blackbodies.
 
> 
> He mentions one thing I hadn't heard before. - Sandberg probes (from
> you know who).
> The suggestion here is that when a civ gets to the stage that it can
> create self-replicating probes to go out and spam the universe,
> another thought occurs..... What if another civ has already done this?
> So to ensure that nobody bothers them, advanced ETIs could set up a
> perimeter of Sandberg probes (self-replicating policing probes) to

No perimeter, you have to snow-shoe spam the universe and
drop a big nuke on any other would-be spammer. 

So why haven't we been nuked yet?

> make sure that nobody gets in.