Interesting, though, if you could 'bend' the field the way a beam of light
is bent in a CRT.

> ----------
> From:         Dave VanHorn[SMTP:dvanhorn@CEDAR.NET]
> Sent:         Thursday, September 23, 1999 1:20 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Re: [OT] Magnetic Field
>
> > > 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 can't "block" a magnetic field the way the picture shows..  It
> completes, always. There is no substance that can simply block the fields
> without interacting with them.
>
> You can shield by using high permeability material, which would be
> strongly
> attracted to the magnets, or by diamagnetic material which is repelled (a
> superconductor)  but the field will always complete.
>