Re: Real vs. Simulated Ecologies [was: Moravec article available]

From: John Clark (
Date: Wed May 03 2000 - 11:27:02 MDT

Robert J. Bradbury <> Wrote:

>[Reversible computing is going to produce the densest computing but it
>does so at the expense of minimizing the erasing bits.]

You run your computer till you get an answer, print it out, then run the computer
backward till it's in the original state. Nothing has been erased and the energy
consumed can be arbitrarily small.

    John K Clark

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