[TheForge] For Mike Spencer OT:

[Peter Fels & Phoebe Palmer]

That must be what golf spikes are for!
The EMF crazies have a lot of BS on the subject..
Splendid quackery!

On Oct 8, 2014, at 5:17 AM, Bruce . wrote:

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
> 
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