Re: Insulation/temp gradient

[Bob Sciamanda <Sciamanda@worldnet.att.net>]

Jim Green wrote:
> At 04:38 PM 9/7/97 -0400, Bob Sciamanda wrote:
> . . .
> > teaching power of the mathematical isomorphism; but if you insist, I
> > would point out that our classical microscopic views of the two
> > processes are not all that different.  In both cases a directed drift
> > velocity is superimposed upon otherwise random motion.
> > Furthermore, in both cases it is the particles' property (charge /
> > random kinetic energy) which is of interest and is usefully described as
> > changing position.
>
> I am almost led to tears of frustration -- The author just has not been
> paying attention!
> . . . 
> Jim Green
> JMGreen@sisna.com

Jim, I understand your point of view perfectly; I just think it is ugly
and of no use as a conceptual model for describing the diffusion
equation. (What led "us" to this equation?  Should we ban it?) 
READ BRIDGMAN.

-- 
Bob Sciamanda		sciamanda@edinboro.edu
Dept of Physics		sciamanda@worldnet.att.net
Edinboro Univ of PA	http://www.edinboro.edu/~sciamanda/home.html
Edinboro, PA		(814)838-7185