sci.physics.electromag

On Mar 27, 2:27=A0am, "Szczepan Bialek" wrote:
> It is very difficult to find experimental data about movement of the
> electrons. It is obvious that in wire is the gradient of electrons density=
.
> And what about the electron beam in vacuum. There is also the gradient?. H=
as
> the vacuum resistance for moving electrons or it is a superconductor?. I a=
m
> thinking about electron beams far from the gun in vacuum where no fields. =
If
> such beams =A0are two, they attract like wires?
> S*

The vacvum loses resistanse at infinity.

The beams may attract by a proxy magnetism at first, but would bound
back as they slowd.