On 10/14/2021 3:23 PM, John Clark wrote:
On Thu, Oct 14, 2021 at 5:57 PM 'Brent Meeker' via Everything List
<everything-list@googlegroups.com
<mailto:everything-list@googlegroups.com>> wrote:
/> I don't know how you conclude an intelligent civilization would
be obvious;/
Even if you make the ridiculously conservative assumption that ET will
never be able to achieve speeds any faster than we can with our space
probes, they could still send a Von Neumann Probe to every star in the
Galaxy in less than 50,000 years, and the night skywould never look
the same again. I'm not talking about perpetual motion machines or
time machines or faster than light travel, a Von Neumann Probe does
not need any new science, just improved engineering, the ability to
place individual atoms where you want them to be.
And you know they would do this how?
Brent
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