[ExI] Eternity in six hours: intergalactic spreading of intelligent life and sharpening the Fermi paradox

[John Clark]

On Tue, Sep 10, 2013 at 7:18 AM, BillK <pharos at gmail.com> wrote:

> Even definitions like 'habitable zone' imply habitable for life like us.
> Which may be presumptuous.
>

You can maybe yourself to death with pointless maybes. Maybe life elsewhere
is made of klogknee particles that scientists on Earth haven't discovered.
But what we can say for sure right now is that there is zero evidence that
chemistry can produce anything even close to being called "intelligent"
unless liquid water is involved, and that can only happen in the habitable
zone.

And even if life elsewhere is made up of mysterious klogknee particles I
still don't understand why they are such poor engineers.

  John K Clark
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