On Thu, 23 Sep 1999, Wagner Lipnharski wrote:

> What is the most positive way to block magnetic field using a 5mm *any
> material* board?
> Take a look at the picture and tell me why it doesn't work.
> http://www.ustr.net/jpg/moto1.jpg

Because you put the south pole on the cold blue side instead of the hot
red side, everyone knows it's warmer down south :-)

-Bob