Re: "Deep Impact" and the Electric Universe
- From: Paul J Gans <gans@xxxxxxxxx>
- Date: Sat, 30 Jul 2005 21:37:09 +0000 (UTC)
Dave <dtalbott@xxxxxxxxxxxx> wrote:
>Paul, if you don't understand the nature of double layers, why not just
>say so? It's not an intellectual crime, until you cavalierly dismiss
>those who DO understand double layers.
ROTFLMAO.
You *are* funny. It happens that I do understand double
layers and you don't.
There are no real double layers in neutral plasmas. Just
approximations. The term "double layer" applies best to
lipid membranes where it really means somehthing.
For the lurkers out there, what David thinks he is talking
about is the ability of neutral plasmas to spread out the
electrical field of a charge.
A far better example is to take a charge (put it on a bit
of rubber or a pith ball) and enclose it inside a metal
sphere.
A metal is a sort of neutral plasma. The positive charges
happen to be fixed (the atomic nuclei) but the negative
ones (the electrons) are free to move about in the metal.
The effect is to spread the electrical field over a
much larger surface (the metal ball) than that of the
pith ball.
However, by Gauss's Law, if one surveys the field outside
the metal sphere, weaker though it may be, it will still
indicate that the original charge is still present.
Simple rule to remember: you can NOT make a charge vanish
except by neutralizing it.
>This morning I'm printing out a few of your posts in this thread and
>will present them to Wal, Don, and Tony, just to let them know, on your
>authority, that their life's work has been hopelessly misguided.
That's a little rough on them, don't you think? But it is
a good thing to do, and about time. Please let them know
that I am sorry, but it would have been better to study
science than to just flatulate about it.
Perhaps if they were to write their memoirs they could keep
others from the same tragic mistakes?
----- Paul J. Gans
.
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