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Location: UFOUpDatesList.Com > 2012 > Dec > Dec 14

Re: Update To Our View Of The Drake Equation

From: Edward Gehrman <egehrman.nul>
Date: Fri, 14 Dec 2012 08:08:53 -0800
Archived: Fri, 14 Dec 2012 16:07:56 -0500
Subject: Re: Update To Our View Of The Drake Equation


>From: David Rudiak <drudiak.nul>
>To: post.nul
>Date: Thu, 13 Dec 2012 10:22:33 -0800
>Subject: Re: Update To Our View Of The Drake Equation

>Quite! There is the hidden assumption in these calculations that
>interstellar migration is impossible. This is not a scientific
>assumption but dogma. There are many conceivable ways that such
>migrations could take place without resorting to assumptions of
>Star Trekian warp drives, but at sub-light speeds.

>E.g., assume machine intelligence and length of travel doesn't
>really matter. Time to nearest star at a very modest 1% light
>speed is then less than 500 years. NASA propulsion experts for
>years have been thinking in terms of 10% light speed for a
>probe.


David,

If Einstein is correct, then travel by even a grain of sand,
using external energy (so fuel wouldn't have to be carried), at
the speed of light would require all the energy in the universe.
So if we travel at 10% of the speed of light, does that require
10% of the energy in the universe? And that's just to power a
grain of sand.

Under these circumstances, I don't think star travel is probable
or will ever be possible. Yes we have visitors, but a more
mundane explanation is possible: we share our planet with an
ancient civilization.


Ed



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