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

John Clark johnkclark at gmail.com
Sat Sep 14 19:22:41 UTC 2013

On Thu, Sep 12, 2013 at 7:06 PM, Kelly Anderson <kellycoinguy at gmail.com>wrote:

> Space is REALLY big. It seems hard to see intelligence from REALLY far
> off.

It depends on how intelligent it is and how long it's been around, we're
not very intelligent and haven't been here for long.

> I mean how close would you have to be to be able to detect our
> intelligence.

You'd have to be pretty close to detect our intelligence, but we've only
been making computers for about 70 years and the universe is 13.8 billion
years old.

  John K Clark
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