From: Chris Petersen (firstname.lastname@example.org)
Date: Thu Jan 04 2007 - 21:30:45 MST
Elihu, there's the matter of setting up a 'useful' computation. Even if the
system is self-sustaining once it gets going, there's still that initial
energy investment to consider.
kevin, exotic physics and ontotech is sci-fi, not SIAI FAI. ;)
On 1/4/07, Elihu Herskovics <email@example.com> wrote:
> On 1/4/07, Philip Goetz <firstname.lastname@example.org> wrote:
> > But creating information does take energy.
> > There is a precise relationship between bits and energy, though I
> > don't understand it.
> I don't remember his source, but somewhere in Kurzwiel's "the singularity
> is near" he brings up that theoretically, zero energy is required for
> computation (example, a rock is constantly "computing" the positions of it's
> component molecules at zero energy cost), and that the only energy needed is
> for output to external systems and for correcting errors caused by things
> like cosmic rays.
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