Re[2]: Is SETI dangerous?

From: Алексей Турчин (
Date: Wed Sep 26 2007 - 04:24:47 MDT

Ok. Thank you for understaning. I only 3 days ago understood that passive Seti could be dangerouse, so not all details are clear.

And not only self-reproducing, but preparing bases for colonization wave or preventing other wave to use Earth as a base - are good goals. Also just exploring the universe.

But self relicating wave has good chances to eat almost all resourses. So, the probability to meet signal from selfreplicating wave are high.

Alexei Turchin.

-----Original Message-----
From: "Rolf Nelson" <>
Date: Wed, 26 Sep 2007 00:31:53 -0400
Subject: Re: Is SETI dangerous?

> On 9/25/07, Алексей Турчин <> wrote:
> >
> > Is SETI dangerous?
> Yes, if I thought SETI (active or passive) had a reasonable chance of
> success, then I might be concerned. I personally find it extremely unlikely,
> so I'm not inclined to burn time on it. Interesting though, I hadn't thought
> about passive SETI as an existential risk before.
> self replicating is only good reason to send a lot of information in space.
> It is one likely scenario, but there are other reasons. It's hard to
> speculate how the game theory works out when two colonization (or
> harvesting) waves from two different civilizations intersect, but it may be
> useful to send radio signals in advance of your first colonization wave to
> begin negotiations on who gets what area of space, or to signal your
> intentions, or to warn about a flux of dangerous energy coming as a
> byproduct of your decelerating colonization wave.
> Also: just as some historical civilizations, cultures and people on Earth
> have ethical rules regarding (at least some) lower life forms, there is a
> small chance that we could massively luck out and be voluntarily spared. So
> I don't agree that self-replication is the "only good reason."
> -Rolf

Посетите мой Живой Журнал - и узнайте то, что я думаю прямо сейчас - и ещё то, что хотел сказать вам, но не успел :)

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