Re: Curl-Free Transfer of Information

"Dave Shrader" <[EMAIL PROTECTED]> wrote in message
news:[EMAIL PROTECTED]
>
> I believe a Hall Effect device does the same thing!!

Hall effect, essentially magnethydrodynamics in a solid block of
semiconductor.
electrons flowing from top to bottom are deflected to left or right, by a
field through the third axis.
Detects static fields just fine.