Re: Preferred reference frame

GR_GR wrote:

> Marshall Dudley wrote:
> > Can anyone explain this paradox without resorting to a preferred frame
> > of reference?
> >
> > We take CRT and remove the gun and take it into outer space. We turn it
> > on so that it is sending a beam of electrons out into space. Now if we
> > move down the beam slowly we will see that the beam self focuses, that
> > is narrows into a very narrow beam as it moves through space due to
> > their mutual magnetic attraction. If we follow this beam it stays
> > narrow for ever,
>
> No, it does not.
> Please come back with a better problem statement.

OK, at what point does it stop narrowing and begin widening, and what physical
effect accounts for it?

Marshall

>
>
> <>
> > Can anyone explain this? The only way I can explain it is that there is
> > an ether that has a preferred frame of reference that moves with the
> > matter around it. Any other theories? Comments?
>
> Better yet, don't come back.
>
> >
> > Marshall
> >
> >
> >

.

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