[ExI] Alien Civilizations May Only Be Detectable For A Cosmic Blink Of An Eye

[spike at rainier66.com]

-----Original Message-----
From: extropy-chat <extropy-chat-bounces at lists.extropy.org> On Behalf Of
BillK via extropy-chat
Subject: [ExI] Alien Civilizations May Only Be Detectable For A Cosmic Blink
Of An Eye

Alien Civilizations May Only Be Detectable For A Cosmic Blink Of An Eye By
Brian Koberlein - October 17, 2025

<https://www.universetoday.com/articles/alien-civilizations-may-only-be-dete
ctable-for-a-cosmic-blink-of-an-eye>
Quote:
This latest work argues that if we factor in the exponential rate of
technology and consider the possibility that non-biological intelligence is
common, then the observation horizon shrinks considerably...
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>...Sounds like a reasonable suggestion to me.
BillK
_______________________________________________


Ja, seems so to me too BillK.  It might be wishful thinking, or my own way
of hoping around the Great Filter notion, but still plausible: technology
develops, the dominant species realizes it doesn't need to send one-way
signals into the cosmos, so... it doesn't.  The span of time over which we
(or they) did it is short (a century or less) and we don't know when that
century occurred or will occur, so... everything appears quiet, even tho
plenty of advanced civilizations did punch thru the Great Filter somehow.

spike