[TheForge] For Mike Spencer

[jerry Frost]

MAYBE NOT?! I don't even wear my tin foil hat when arc welding, the EMP
dewavefyies your brain every time you strike an arc. AC works best but even
DC does the trick. Where did you guys go to school, I thought everybody knew
this. Oh wait, the GVT brainwaves have put things in your head and wiped the
thoughts they don't want you thinking! Quick, wrap your welding cable around
your head, set the welder on AC and do some welding your brain REALLY needs
dewavefying!

Jer

-----Original Message-----
From: TheForge [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Peter
Fels & Phoebe Palmer
Sent: Wednesday, October 8, 2014 11:20 PM
To: Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] For Mike Spencer

Just stay grounded man!

Well, maybe not when arc welding.

On Oct 9, 2014, at 12:09 AM, jerry Frost wrote:

Naw, you only need to cover the top and sides of your head, the gvt beams
brainwaves at you from black spy satellites. SHEESH guys where you keeping
yourselves you don't know this stuff?

Jer
-----Original Message-----
From: TheForge [mailto:theforge-bounces at mailman.qth.net] On Behalf Of Bruce
.
Sent: Wednesday, October 8, 2014 4:18 AM
To: mspencer at tallships.ca; Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] For Mike Spencer

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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