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Old 09-11-2008, 01:32 AM   #1
Antaletriangle
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Default Faraday cage.

http://www.youtube.com/watch?v=mUWxYesR5Wo

The reality of needing to protect all electronic equipment against EMP from a nuclear explosion over our shores is becoming imminent. We now live in perilous times. The world is a becoming dangerous place, with China now threatening Taiwan with annihilation from hundreds of neutron bombs. Russia is modernizing their military infrastructure with an emphasis on first strike capability, they have an stretegic alliance with China, and Putin is exporting "special nuclear materials" to Iran, Syria and Egypt. President Clinton renounced "launch on attack" in favor of absorbing a first strike without retaliation, while President Bush wants "first strike" authority to attack anywhere with nukes without warning, and it is easy to see that our enemies are virtually being invited to hit us with nukes! Iran has plans to do just that!

The information to follow on building "Faraday cages" is timely indeed. A single atmospheric nuclear detonation releases enough electromagnetic pulse (EMP) to equal 100,000 volts per meter (V/m). A single detonation 200 to 400 miles over the center of the continental United States would fry every unprotected computer chip from coast to coast, and from the middle of Canada to the middle of Mexico. And we are now into Solar Cycle 23, with solar flares common and expected to continue until the first of next year. CME's are capable of extreme damage to modern computerized equipment! Sure, we have our windup BayGen radio's and spare lap top computers, but unless electronic equipment is protected from an electromagnetic pulse, they will be fried!

The copper mesh, like 1 inch chicken wire, worked well in large uses, like covering buildings, and it is still in use today: FEMA headquarters buildings are dome-shaped earth-bermed structures, and under the earth is a copper mesh that extends out from the base and is secured by grounding rods.

As an Electro Magnetic Pulse (EMP) travels to earth, whether from a Coronal Mass Ejection (CME) or a nuclear detonation in the atmosphere, it hits and runs along electrical power lines as well, building up voltage and amperage, which is what happened during the last solar storm a dozen years ago, blowing out transformers and leaving 6 million people in eastern Canada without power for weeks.


To prevent that problem, if you have a hard-wired generator, the wiring from the generator to the house should run in conduit that is grounded. The generator itself can have the frame grounded for added insurance, but that ground wire MUST be insulated and run to a different ground rod well away from the ground rod for building and conduit! See the article on EMP and various grounding techniques for electrical appliances, plus grounding metal sheds for generators.

"Electric fields travel in straight lines, unless bent by other fields. Theoretically, the bottom of a cage doesnít need to be closed. If someone could offer me actual EMP test data that an open bottom is OK, Iíd consider believing it. However, if youíre in an area of high ionization, the field could bend around. Complete enclosure is the best technical solution.

"Faraday cage material: Electric fields are best conducted by materials that conduct electric current the best Ė silver is #1 and copper is #2. Aluminum is ~60% of copper. Iron/steel is farther down the scale. Aluminum is a good poor manís foil against EMP; double wrap it to be safe. I prefer copper foil."
With radio's and smaller appliances, a Faraday cage can be built by using two cardboard boxes: one should fit tightly inside the other, and the item to be covered should itself fit reasonably well inside the smaller box. That is about the most work involved--finding the right size boxes! The outer box is then covered with aluminum foil or Mylar, as from a cheap "space blanket." A grounding wire is then taped to the foil. I then cover the foil with black 6 mil plastic, taped securely in place, to protect the foil from ripping. At the end of the ground wire I attach a cheap small alligator clip from Radio Shack. The item to be protected is placed inside the inner box, which acts as insulation from the outer box, and any EMP hitting the foil and is bled away by the ground wire.

Some medium sized electrical equipment can also easily fit into boxes covered with foil for EMP protection. My laptop computer, for example, fits easily into a Faraday box made from a box that held reams of paper: the entire lid is removable, allowing easy access to the laptop in its case, but is safely stored when not in use.

For larger items which cannot be boxed, such as living room TV sets, etc, I tape a Mylar space blanket to a piece of 6 mil black plastic sheet, using double-sticky tape every foot or so to make sure the Mylar stays in place (it is slippery). I leave a 2 inch edge of black plastic showing all around the space blanket, and while taping down the edges I put on a short lead of ground wire. When it appears that EMP or CME's are on the way, the blanket can be draped over the appliance, the alligator clip attached to a small, unobtrusive ground wire behind the cabinet, and any electromagnetic radiation will be diverted to the ground wire. Very cheap, simple, and once done, items can be "draped" for protection very quickly indeed. The "EMP Blankets" roll up for storage, but can be unrolled and thrown over a TV/VCR setup, a computer/monitor combo, etc. As EMP comes from altitude and is line of sight, it's OK that the bottom isn't covered, as the bottom of the units sit on non conductive wood.


The time to build Faraday cages or blankets is NOW, as when they are actually needed it will be far too late. Each box should be labeled on the ends and the top for the exact appliance they were built for, to eliminate any confusion when they must be protected in a hurry. Any electrical appliances not in use should be stored in the Faraday cage, where they will be kept clean, neat, in a known location, and protected against any sudden EMP surge.
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Old 09-11-2008, 02:30 AM   #2
Operator
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Default Re: Faraday cage.

Hi,

A few quick responses:

1. grounding of a Faraday cage is strictly not necessary (I think)
2. isolate your equipment well from the conducting case

Quick solutions (for rapid response without preparation):

- A metal cupboard
- A metal drawer cabinet
- refrigerator ! (make sure the hinges electrically connect the door to the 'casing')

Don't forget to isolate your stuff when you are in a hurry. And also do not forget to include power supplies/converters etc.

Another tip maybe to have a spare watch in your EMP safe casing in order to keep track of time and date afterward !

Cheers
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Old 09-11-2008, 02:32 AM   #3
Operator
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Default Re: Faraday cage.

P.S. if you store batteries in a refrigerator they will stay longer in a good shape
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Old 05-14-2009, 12:03 PM   #4
Avid
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Default Re: Faraday cage.

This is a reminder in case of CME 7/7/09!
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Old 05-14-2009, 09:36 PM   #5
Karen
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Default Re: Faraday cage.

Indeed good information for those who have the means to use it!
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Old 05-14-2009, 10:04 PM   #6
orthodoxymoron
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Default Re: Faraday cage.

A Faraday cage(named after Michael Faraday?) could also come in handy if you catch an alien. It can prevent them from walking right through walls. Could a Faraday cage keep the aliens away? If all else fails...use Orgone!

I'm thinking of building a shallow underground civilian base...going down...and not coming back up! Things are getting even more crazy than they've always been. We sure act like we like slavery and extermination. Just look at the history books and newspapers. Why is it so very hard to just live and let live...and leave each other alone? We seem to be fundamentally screwed up...but do non-humans make things even worse? I think it's going to take multiplied miracles and a huge amount of work and sacrifice...to get the human race on the right track. What a mess...

Last edited by orthodoxymoron; 05-14-2009 at 10:25 PM.
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Old 06-04-2009, 02:43 PM   #7
Carol
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Default Re: Faraday cage.

We indeed shared similar thoughts regarding going down into a Faraday hideout Oxy, but I'd do it to protect some electronic equipment. When I first realized one could not escape these aliens as they can go through matter - I freaked out. It took be awhile just to get use to the idea. I can't say I would be calm seeing something materialize through the wall, but having seen a ghost also freaked me out. In fact, enough so that I knew I didn't want to see any in the future.

The difference with aliens depends on the type of alien contact one is having. If it is an abduction scene - most abductees have a hard time because they do now want to be taken. If it is a more normal type of situation where the contactee is invited, they generally willingly go along.

However, after what I've read I do think a Faraday cage would also stop unwanted ET visits.
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Old 07-04-2009, 05:25 PM   #8
Avid
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Default Re: Faraday cage.

Just in case scenario again....

Is my car in my garage a 'Faraday cage'? If I quickly put a few bits of back-up stuff in there would it be OK?
I have those large metallic 'survival blankets' and cardboard boxes at the ready? Please - help - any advice useful, and nothing would go to waste anyway!

Many thanks ....

Last edited by Avid; 07-04-2009 at 05:35 PM.
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Old 07-04-2009, 05:48 PM   #9
Swanny
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Default Re: Faraday cage.

I think if you put stuff in a box lined with tin foil and put that in the boot of your car it should be ok

I have put all my stuff in an old ammo box ready for 7th july just incase
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Old 07-04-2009, 07:52 PM   #10
Dantheman62
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Default Re: Faraday cage.

http://www.twpinc.com/twpinc/control...y_id=TWPCAT_11

Last edited by Dantheman62; 07-20-2009 at 01:02 AM.
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