I wonder if grinding up a lot of scrap copper/junk yard copper real fine
and mixing it in with ordinary paint would do any good for shielding?
cuhulin

See my post on the shielding paint.

It's a bit of work to find them, but there are declassified documents
regarding security. They go into accoustics, RF, and even the brand of
paper shreader.


wrote:
I wonder if grinding up a lot of scrap copper/junk yard copper real fine
and mixing it in with ordinary paint would do any good for shielding?
cuhulin

A few years ago,I read about some certain models of paper shredders that
will electronically rat on you.
cuhulin