Re: Electron at rest - magnetic field?


Rod Ryker wrote:
> "PD" <TheDraperFamily@xxxxxxxxx> wrote in message
> news:1128817968.664429.307740@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> >
> > Rod Ryker wrote:
> > > "PD" <TheDraperFamily@xxxxxxxxx> wrote in
> message
> > >
> news:1128689558.229516.14400@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > > >
> > > > Rod Ryker wrote:
> > > > > PD <TheDraperFamily@xxxxxxxxx> wrote in
> message
> > > > >
> news:1128579346.540639.298920@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > > > > > I have a feeling Mr. Faraday would
> confirm the measurements I
> > > described
> > > > > > to you, and then he would turn serenely
> to you and say, "You, sir,
> > > > > > don't have the the slightest idea in
> hell what you're talking about."
> > > > > >
> > > > > > PD
> > > > > >
> > > > >
> > > > > Rod: Unnaturally, you have spoken to
> Faraday
> > > > > and have his blessing.
> > > >
> > > > Naturally, you have spoken with Faraday and
> determined that what I
> > > > described disagrees with his results.
> > > >
> > > > > You disagree with Faraday's results,
> > > >
> > > > I don't think so.
> > > >
> > > > > and yet he says he agrees with you.
> > > > > Right a papper - YOU'RE THE MAN!
> > > > > Or see a doctor.
> > > >
> > > > Ever built one, Rod, to see if your
> interpretation of Faraday's results
> > > > matches the reality he saw? Or are you just
> completely confident that
> > > > you understood what you read?
> > > >
> > >
> > > Rod: I've not built one, since you claim you
> did, let's discuss your
> > > creation starting with your Faraday steel
> cage's parameters and
> > > please be very specific.
> >
> > Sure. It was in the NWA beamline at Fermilab
> when that was used as the
> > test beam for the DZero calorimeters. The test
> for which this cage was
> > built featured five central e.m. calorimeter
> modules. It was
> > triple-walled, and the door had spring-loaded
> copper fingers to make
> > the seal. The floor was covered in solid ***
> copper, with the sheets
> > riveted together and the seams covered with
> copper tape with conductive
> > adhesive, which also served as the single-pint
> ground for all the
> > signal preamps. All the wall and ceiling panels
> were also sealed with
> > copper tape on the inside and outside. All
> coaxial cable penetrations
> > were threaded through a baffled tube with at
> least a five to one aspect
> > ratio. EMI noise was reduced in the sensitive
> frequency range (0.5 MHz
> > - 500 MHz) by at least 130 dB. What else did you
> want to know?
> >
>
> Rod: WOW! That is technical! THANK YOU! :):):)
> Now how _exactly_ is the 9 volt DC (?) potential
> applied?
> And again, thank you. Usually you only get fairy
> tales on this NG. ;)

Don't get too excited. There are whole companies whose job it is to
build faraday cages. One is required for every single hospital MRI
machine on the planet. There are folks there who know much, much more
than anyone on the topic.

A 9V DC voltage can be applied with a radio battery and two alligator
clips.

PD

> --
> Rod Ryker...
> The intricacies of nature is man's cannon fodder.

.

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