Mike Coslo wrote:
The explanation and the everyday
application of the concept of non-ferrous shielding are both simple and
elegant.

I'm fairly ignorant when it comes to shielding. Do the
magnetic fields from a magnet penetrate copper? Do the
magnetic fields from 60 Hz devices penetrate the shield
on coax?
--
73, Cecil http://www.qsl.net/w5dxp