[extropy-chat] Is Many Worlds testable?

[Russell Wallace]

On 12/30/06, John K Clark <jonkc at att.net> wrote:
>
> I'd love to take credit but it's not my proposal, nor is it new. In 1961
> Rolf Landauer did extensive work on the thermodynamics of computing. He
> proved that you always need energy to change one bit of information, but
> the
> amount of energy needed to change that one bit can be made arbitrarily
> small
> if you use a computer that is reversible; you just need to slow it down.


Ah, yes, but like I said that runs into the question of just how close to
100% reversible you can get.
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