Invisible wrote:
> Oh sure. For an idealised infinite grid of atoms. That's a nice 
> simplification - which stops working when you have a device made of 12 
> individual atoms.

Trust me. People worry about QED.  Ever heard of a tunnel diode?

> Interesting. As I understand it, pure silicon is a *non*-conductor. It 
> only becomes a *semi*-conductor when doped with inpurities...

Check your periodic table of the elements.

-- 
   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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