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Re: mist maker



At 9:46 AM -0400 5/17/00, John Denker wrote:


At 09:00 AM 5/17/00 -0400, Wolfgang Rueckner wrote:
>Using 150 V/m for the E-field at the surface of the Earth and Gauss' law, I
>calculate an electron density of about 10^-9 per sq m on the surface of the
>Earth. That doesn't seem like much of a source for an ion generator. Did
>I miss something fundamental here?

Your skepticism is well placed; you didn't miss anything. The post to
which you refer is mistaken.

Those of us who labor under the impression that one electron carries
only 1.6 E -10 coulombs of charge get a rather larger value of sigma
when it is expressed in electrons / meter^2.

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