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Posted: 11/19/2013 11:02:18 AM EDT
Have any of you guys actually built and intend to use a faraday cage incase of EMP or solar flare?
Link Posted: 11/19/2013 11:05:10 AM EDT
I am wearing one right now.

#tierzero
Link Posted: 11/19/2013 11:06:23 AM EDT
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Originally Posted By mcnielsen:
I am wearing one right now.

#tierzero
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not going to ask if/how it is grounded.
Link Posted: 11/19/2013 11:08:15 AM EDT
I built one at work for calibrating magnetic tools. Does that count?
Link Posted: 11/19/2013 11:08:39 AM EDT
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Originally Posted By Partisan:
I built one at work for calibrating magnetic tools. Does that count?
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technically yes.
Link Posted: 11/19/2013 11:09:46 AM EDT
I built one but my Faraday kept getting out anyway.
Link Posted: 11/19/2013 11:10:48 AM EDT
I never leave the house without mine.



Link Posted: 11/19/2013 11:11:31 AM EDT
There's one wrapped around each of the frames on my cars.
Link Posted: 11/19/2013 11:14:06 AM EDT
I have not, but won't condemn someone who has. Could prove useful one day
Link Posted: 11/19/2013 11:16:05 AM EDT
ive got a friend who wants me to help him make one. i see videos on youtube where they put a radio in the metal garbage can and it stops playing etc but i cant help but think that solar radiation flares might be different than radio waves, or maybe they arent. I have no idea.
Link Posted: 11/19/2013 11:16:10 AM EDT
My emergency comms gear is in a faraday cage.
Link Posted: 11/19/2013 11:17:19 AM EDT
We have one similar to this at work that I could use if needed. But I really dont think my cell phone or computer or TV will be of much use if the service providers are down too.

Link Posted: 11/19/2013 11:19:11 AM EDT
My Datacenter has one, I'll just go to work.
Link Posted: 11/19/2013 11:20:40 AM EDT
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Originally Posted By Solace22:
ive got a friend who wants me to help him make one. i see videos on youtube where they put a radio in the metal garbage can and it stops playing etc but i cant help but think that solar radiation flares might be different than radio waves, or maybe they arent. I have no idea.
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The best info I have on EMP danger and solar flare/CME danger is that it gets picked up by long wires acting as antennas. It gets onto power lines and antennas of sufficient wavelength to 'capture' it.

Conventional thinking on the subject is that unless an electronic device is plugged into the power grid or has a long enough antenna, EMP and CME's aren't a big issue.




Link Posted: 11/19/2013 11:21:26 AM EDT
Built? No.

Been in professional Faraday cages (I think those are pretty much all gone these days) and shielded enclosures? Yes - a LOT of them.

99% of people here have no idea how expensive and difficult a Faraday cage (that has a prayer of being effective) would be to build and maintain. Maintenance is a constant effort. If you don't constantly inspect and maintain it - you are wasting your time and money. Its either perfect - or a complete waste.

Designing, fabricating and maintaining the seals alone is a huge headache. And its the seals for doors and waveguides that are the critical (and popular) failure point.

The copper screen alone could break you financially these days.
Link Posted: 11/19/2013 11:23:48 AM EDT
Link Posted: 11/19/2013 11:23:53 AM EDT
I keep one in my kitchen. Just in case.

Link Posted: 11/19/2013 11:37:11 AM EDT
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Originally Posted By pcsutton:


The best info I have on EMP danger and solar flare/CME danger is that it gets picked up by long wires acting as antennas. It gets onto power lines and antennas of sufficient wavelength to 'capture' it.

Conventional thinking on the subject is that unless an electronic device is plugged into the power grid or has a long enough antenna, EMP and CME's aren't a big issue.




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Originally Posted By pcsutton:
Originally Posted By Solace22:
ive got a friend who wants me to help him make one. i see videos on youtube where they put a radio in the metal garbage can and it stops playing etc but i cant help but think that solar radiation flares might be different than radio waves, or maybe they arent. I have no idea.


The best info I have on EMP danger and solar flare/CME danger is that it gets picked up by long wires acting as antennas. It gets onto power lines and antennas of sufficient wavelength to 'capture' it.

Conventional thinking on the subject is that unless an electronic device is plugged into the power grid or has a long enough antenna, EMP and CME's aren't a big issue.






I personally think the whole thing is a bit out there myself. But my friend "saw on tv" that one will tear up the entire electrical grid in the whole united states and it will take 2 years to rebuild it all. anything with a computer in it will get vaporized. He plans to literally wrap his televisions in several layers of tin foil to protect them If something were imminent. I cant help but think if the entire electrical grid in all of the USA goes down, television is going to be the least of my worries...
Link Posted: 11/19/2013 11:41:16 AM EDT
Originally Posted By Solace22:
Have any of you guys actually built and intend to use a faraday cage incase of EMP or solar flare?
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I have built several and installed hundreds.

I work with instrumentation. Nothing to do with solar flares or beans in chili.
Link Posted: 11/19/2013 11:41:21 AM EDT
I built a hooker cage in my basement.
Link Posted: 11/19/2013 11:46:12 AM EDT
Yes, but it was technically a home for my pet rats when I was a kid. Neither of the rats was ever killed by an EMP so I think it worked. It did not, however, keep the rats inside and I am 100% sure that it was not my pet rats found inside the neighbor's house.
Link Posted: 11/19/2013 11:48:20 AM EDT
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Originally Posted By dillehayd:


I have built several and installed hundreds.

I work with instrumentation. Nothing to do with solar flares or beans in chili.
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Originally Posted By dillehayd:
Originally Posted By Solace22:
Have any of you guys actually built and intend to use a faraday cage incase of EMP or solar flare?


I have built several and installed hundreds.

I work with instrumentation. Nothing to do with solar flares or beans in chili.


do they have to be grounded somehow? thats a huge debate apparently.
Link Posted: 11/19/2013 11:51:59 AM EDT
Homemade Faraday cages are very common in electrophysiology labs. My old lab had a bunch of them to shield the setups.
Link Posted: 11/19/2013 11:59:36 AM EDT
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Originally Posted By Solace22:


do they have to be grounded somehow? thats a huge debate apparently.
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Originally Posted By Solace22:
Originally Posted By dillehayd:
Originally Posted By Solace22:
Have any of you guys actually built and intend to use a faraday cage incase of EMP or solar flare?


I have built several and installed hundreds.

I work with instrumentation. Nothing to do with solar flares or beans in chili.


do they have to be grounded somehow? thats a huge debate apparently.


Yes. Conservation of Energy is a law. The energy has to go (be directed) somewhere.
Link Posted: 11/19/2013 12:02:38 PM EDT
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Originally Posted By morglan:
There's one wrapped around each of the frames on my cars.
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Link Posted: 11/19/2013 12:09:33 PM EDT
What's a Faraday and why the fuck would I need to catch one?
Are they tasty?

Link Posted: 11/19/2013 12:17:49 PM EDT
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Originally Posted By Solace22:


I personally think the whole thing is a bit out there myself. But my friend "saw on tv" that one will tear up the entire electrical grid in the whole united states and it will take 2 years to rebuild it all. anything with a computer in it will get vaporized. He plans to literally wrap his televisions in several layers of tin foil to protect them If something were imminent. I cant help but think if the entire electrical grid in all of the USA goes down, television is going to be the least of my worries...
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Originally Posted By Solace22:
Originally Posted By pcsutton:
Originally Posted By Solace22:
ive got a friend who wants me to help him make one. i see videos on youtube where they put a radio in the metal garbage can and it stops playing etc but i cant help but think that solar radiation flares might be different than radio waves, or maybe they arent. I have no idea.


The best info I have on EMP danger and solar flare/CME danger is that it gets picked up by long wires acting as antennas. It gets onto power lines and antennas of sufficient wavelength to 'capture' it.

Conventional thinking on the subject is that unless an electronic device is plugged into the power grid or has a long enough antenna, EMP and CME's aren't a big issue.






I personally think the whole thing is a bit out there myself. But my friend "saw on tv" that one will tear up the entire electrical grid in the whole united states and it will take 2 years to rebuild it all. anything with a computer in it will get vaporized. He plans to literally wrap his televisions in several layers of tin foil to protect them If something were imminent. I cant help but think if the entire electrical grid in all of the USA goes down, television is going to be the least of my worries...
Fact mixed with supposition. Yes the Electrical grid could indeed be knocked out. It has happened in the past. The transformers could be burnt out and I have heard estimates of up to 6 years to get it all back. Seems they don't make the larger transformers in this country anymore.

As to the 'anything with a computer in it' part...that's only true if it's hooked to the grid when the grid gets knocked out. Having the power cord plugged into the wall qualifies. It's not gonna kill your car's computer....or anything else that isn't plugged in to the wall or attached to a wire (antenna) of sufficient length to gather the pulse's energy.




Link Posted: 11/19/2013 12:19:41 PM EDT
Yes. And that fucker Faraday is not getting out of it, either.
Link Posted: 11/19/2013 12:20:48 PM EDT
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Originally Posted By LurchAddams:
I keep one in my kitchen. Just in case.
http://www.yenra.com/microwave-ovens/microwave-oven.jpg
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This.
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