Invisible wrote:
>>> Obviously, electrons don't just move around for the hell of it. 
>>
>> Actually, at the quantum level, yeah, they do. That's why you can't 
>> make abitrarily *small* transistors.
> 
> True. But at the macroscopic level, they don't. Nothing does.

At the macroscopic level you can't see what electrons are doing.


Interestingly enough, when people talk about "reversible computing" that 
uses no power because of the design of the gates, they usually don't 
seem to realize that in practical implementations, the computation 
doesn't on average progress, either. It's as likely to go forward as 
backwards if you don't use power to drive it one way or the other.

-- 
   Darren New / San Diego, CA, USA (PST)
     "That's pretty. Where's that?"
          "It's the Age of Channelwood."
     "We should go there on vacation some time."

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