[TheForge] For Mike Spencer

[Bruce .]

Well, the Wikipedia article explains it better than I can.  I got the gist
correct.  You might have to ground your tin hat for it to be fully
effective, so if you feel silly dragging a ground wire around behind you, I
suggest you run one through your clothes to the bottom of each shoe, where
it won't be so obvious.

http://en.wikipedia.org/wiki/Faraday_cage

Bruce
NJ

On Wed, Oct 8, 2014 at 2:23 AM, Mike Spencer <mspencer at tallships.ca> wrote:

>
> Bruce wrote:
>
> > Nah, that won't work.
> >
> > A Faraday cage has to be complete, surrounding the item to be
> > protected 100%, although holes smaller than a half wavelength might
> > be acceptable.
>
> Inconvenient.
>
> BTW, Bruce, just what is the relationship between mesh and obstructed
> wavelength of a Faraday cage?  It's a practical question if you want
> to wrap your chipped credit card or passport in screen wire.  What's
> the wavelength band for RFID and similar chips? What mesh size(s) will
> block it?
>
> --
> Michael Spencer
>