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EM/RF Shielding

I've been floating a theory around recently and have came across some info that might back it.

First, some background:

The EM generator in what was (*SPOILER*) formerly the swan hatch was considerably strong. (enough to pull down a plane) This field can be blamed for two troubles the losties have.
1)It can be the cause of changing the magnetic poles. (i.e. showing that north on a compass might not really be north)

2)It COULD be used as a cloaking device for the island, bending light rays around it so it can't be seen. (no research proving this yet)

But, the reason I think the EM generator is there is for an RF shield. Read this wiki article.

The article states that RF shield is made when electric & magnetic fields are coupled. This shield can be used to direct away electromagnetic radiation (or possibly other types of waves). It also quotes "Any holes in the shield force current to flow around them, so that fields passing through the holes do not excite opposing electromagnetic fields. These effects reduce the field-reflecting capability of the shield." This could be why (*SPOILER*) Henry Gale told Michael to sail towards 325 degrees on his compass.

Now, my theory:

THF is going to inhabit the island (possibly another), set up the shield and protect themselves from the radiation emitted from the "inevitable" nuclear apocalypse.
Also, THF finally finished the Valenzetti equation and realized apocalypse is coming very quickly. (Hence the fire.) They then decided the other islands were not prepared for the armageddon and resorted to go back to the Lost Island to survive.

Feel free to disagree,



Blogger Shakey said...


7/06/2006 12:27 PM  
Blogger maven said...

Great theory, Crossfade! Interesting things to think about. A lot of it makes sense.

7/06/2006 12:35 PM  
Blogger Shakey said...

I like the ideas, Crossfade, as they're in a similar vein to my own.

Ever since the (supposed) significance of the October 28th date came about with the Alvar Hanso hack I've been thinking about the technology used in the Philidelphia Experiment, the Korean seas radio transmitter hack, what we've seen in the Swan hatch and how it could relate.

Although I originally thought of an EM visibility cloak (as tested on the USS Eldridge) I've been rapidly moving away from that specific idea given how simple it is for 21st century technology to detect such powerful EM distortions, and as such how totally VISIBLE to scanners the island would be as a result.

However the thought of *some* degree of invisibility still remains in my mind, and your thoughts on RF shielding have focused my own theory.

Given the presence of the DHARMA Initiative on the island I think it's fair to assume the whole place is a testing ground, more than likely for the culmination of various areas of THF's research and isolation would be therefore be imperative. And this RF shielding would serve to do just that, primarily keeping radio signals from entering and leaving the island (in the case of our Losties, flight 815's black box would be blocked from transmitting out) for a total communication blackout. Note that radio communication inside the RF shield would still be possible, which is why both sets of survivors were able to communicate with each other and Sayid picked up Delenn..erm sorry...Danielle's distress signal.

I suppose it's also possible that this RF shield also blocks the radio waves used in RADAR thus providing another level of invisibility (Stealth technology was the end result of Project Rainbow in which the Philidelphia Experiment was a part).


7/06/2006 12:46 PM  
Blogger Shakey said...


Now that being said, why the 108-minute countdown? We've seen from the events of seson 2 finale that the whole thing was NOT a psychological experiment (arguably Pearl hatch was) and that the button really was required to stop whatever it was from doing whatever it is it does.

Crossfade's idea about a nuclear fallout shield could work here, and I'd like to flesh it out with my own thoughts on the subject:

Swan hatch is the control room for a test nuclear fallout shield, designed to power up the system, monitor its progress and shut it down again. If anything goes wrong then the failsafe system will kill the test stone dead.

However a test went wrong, which was the incident Dr. Candle talks about in the Orientation video.

In a routine test, radiation to simulate a nuclear fallout was directed onto the island and the shield was powered up, but for some reason malfunctioned and went into some form of overload or feedback. Not only did it not fire off properly but it wouldn't fully shut off. As a result the immediate area (i.e. the hatch) was protected but the island as a whole was exposed to dangerous levels of radiation.

The shield did work to a degree and it's protecting Swan hatch from the radiation, but to stop the shield going critical, a control system was introduce to dissipate the buildup of excess energy in the malfunctioning system which has to be triggered every 108 minutes. Also, until the radiation levels outside the hatch have dropped to safe levels, the crew of the Swan hatch must innoculate themselves (the mysterious injections Desmond used) and the outer doors marked with "Quarantine" to ensure all future crews of the hatch knew they were not to venture out without protective suits.

No doubt the original crews have been silenced, the events covered up and classified, and as time has gone on, the Orientation video, the "incident", the purpose of the hatch and everything has been lost to mythos. All the crews know is that they have to hit the button every 108 minutes or a repeat of the "incident" will occur.

The crews would still need to be monitored to ensure their mental wellbeing, so Pearl hatch was built to do just that, but to maintain the cloak of secrecy, Pearl crews were told they were monitoring a "psychological experiment in progress".

Now in 2006 we have a self-perpetuating myth and routine: THF pulled the DHARMA Initiative in the 80s but for reasons of security never informed the crews, condeming them to repeat what is now a vast cover-up. THF never bothered to receive the Pear hatch documents after a time, hence just left them to pile up. The island is now free of radiation.

But the shield remains functioning, and as long as that button is pushed every 108 minutes the system will never go into overload thus concealing it from the rest of the world and the prying eyes of international government and security.

But it did overload. And now Penelope Widmore's tracking team have detected the EM overload...

7/06/2006 1:11 PM  
Blogger Manda said...

Hearty applause all around to both shakey and crossfade. I think these are some solid theories.

7/06/2006 3:45 PM  
Blogger shaund316 said...

Nice idea, though the thing about the hatch using the EM field to bend light rays around it to become invisible: I read a few weeks ago about how scientists had managed to make light bend round an atom, and how they hope to sclae it up to make things invisible one day......however, if you were invisible, you can't see out because no light is reaching you!

So if this was the case with the island, the losties wouldn't be able to see the sky or anything

7/06/2006 5:01 PM  
Blogger Shakey said...


In theory I would agree about the light being redirected also, but we are talking some severely strong EM fields to do that (i.e. those used in the Philidelphia Experiment) so we're back down to my original thought which is just too implausible.

Scale it down to sensory invisibility and/or the Doomsday shield idea and I think we're on to something more viable.

7/06/2006 8:35 PM  
Blogger Virgil Tracy said...

This comment has been removed by a blog administrator.

7/06/2006 8:36 PM  
Blogger Crossfade said...

THanks for your comments guys! Shakey, wanna team up and give a little more detailed theory?

7/07/2006 11:28 AM  
Blogger Shakey said...

Sounds like a plan Crossfade...lets hope I have enough spare time to do some research now that it's a semi-official lol

Where you wanna start?

7/07/2006 1:12 PM  
Blogger Crossfade said...

I'll give you a link to our chatzy room. I don't think anyone will care considering you're a pretty good contributor. Whats you E-mail?

7/07/2006 1:13 PM  
Blogger Shakey said...

hmmm which e-mail to give lol

shakey@kanji.go-plus.net is the best bet for this I think.


7/07/2006 1:22 PM  
Blogger Crossfade said...

Ok, sent

7/07/2006 1:34 PM  
Blogger oxillini said...

I have a major sticking point with the radiation shield idea. An EM shield could not stop radioactive contamination. That is, actual physical pieces (ash, etc.) would still reach the island. The physical bits of fallout could be radioactive and would thus emit radiation once inside the bubble of the shield. This emitted radiation, assuming the shield works, would be trapped like light in a greenhouse. The strength of the radiation field inside the shield would soon be the same as the outside, rendering the whole project useless.

As far as using EM to hide the island, the problem is, as soon as a field powerful enough to do any of the things theorized is switched on, the eyes of the US and Russia (and probably several other nations, notably China) would turn to the island immediately. The Magnetic anomaly detectors used in sub hunting would go nuts!

7/07/2006 1:47 PM  
Blogger Crossfade said...

OX, good idea, but I'm wondering, would the ash/other items that passed through the shield be ridded of radioactive properties?

7/07/2006 2:00 PM  
Blogger oxillini said...

No, the only way to remove the radioactive property from a bit of matter would be to either allow it to naturally decay to a stable element and isotope or force it to undergo a nuclear reaction, thereby producing a different (and generally also radioactive) element and isotope.

7/07/2006 2:04 PM  
Blogger Crossfade said...

Ok, then would the survivors stay in a bunker, and just use the RF shield to shield the radiation carried in the air?

7/07/2006 2:15 PM  
Blogger Crossfade said...

Maybe they think they are so secluded, that no ash or other materials would make their way to the island. Just the stuff carried in the air.

7/07/2006 2:18 PM  
Blogger oxillini said...

The problem is, when talking world ending, nuclear winter type scenarios, fallout is global. It won't matter where the island is.

From the wiki on Nuclear Fallout:

Worldwide fallout
After an air burst the fission products, unfissioned nuclear material, and weapon residues which have been vaporized by the heat of the fireball will condense into a fine suspension of very small particles 10 nm to 20 ┬Ám in diameter. These particles may be quickly drawn up into the stratosphere, particularly if the explosive yield exceeds 10 kt. They will then be dispersed by atmospheric winds and will gradually settle to the earth's surface after weeks, months, and even years as worldwide fallout.

7/07/2006 2:26 PM  
Blogger Crossfade said...

Maybe the shield is strong enugh to disperse anything thats not solid? If not then why THF's interest in EM?

7/07/2006 2:28 PM  
Blogger oxillini said...

Well, sufficiently strong EM fields can cause inductive heating or create electrical currents in nearby metallic objects. Also, a sufficiently strong EM field would basically stop any incoming missiles, or vessels, by disrupting the guidance systems, or detonating electrically armed explosives.

7/07/2006 2:51 PM  
Blogger Crossfade said...

So, if they found a way to make it strong enough... the EM shield could deter any metal abjects or aluminum planes that everyone is supposed to believe is metal. LOL

7/07/2006 2:57 PM  
Blogger alcorandmizar said...

It is highly unlikely that RF or electromagnetic shielding encompasses the entire island. From the electromagnetic shielding wiki article: "The shielding is achieved using a conductive material as a barrier. Typical materials include sheet metal, metal mesh, ionized gas, plasma and aluminum foil." Anything such as this would have to be huge to encompass the island and would distort their view of the sky and sun.

7/07/2006 5:44 PM  
Blogger Crossfade said...

I'm not saying the shield is up on the lost island now, just that THF could use it as a shield. It is highly doubtful that the RF shield could be used as a cloaking device.

7/07/2006 6:18 PM  
Blogger David said...

How would you account for Sam Toomey and Leonard Simms hearing the numbers at their military listening post? My first thought was that transmission did not originate on the island. However, Rousseau stated her science expedition arrived at the island after homing in on what appears to be the same signal.

It would not make sense for the listening post to be aligned with the hole at 325 degrees. They would be able to tune into the signal at all times. Perhaps the RF shield required maintenance during those times and was disabled?

7/08/2006 12:21 AM  
Blogger Crossfade said...

Yes that would make sense why Sam only heard the transmission once while listening for months. Maybe that was the time of the "accident".

7/08/2006 7:27 AM  
Blogger Crossfade said...

Maybe THF kept the shield operational until the "accident". Now it has to be rebooted every 108 minutes. The lingering effects of the "accident" might still distort thre magnetic poles.

7/08/2006 7:39 AM  
Blogger oxillini said...

I think alco and crossfade are talking about two different concepts regarding an "EM shield." Alco's wiki reference discusses shielding to prevent interference from EM/RF. This is commonplace on electronics and communications equipment. Crossfade is talking about using an EM field as a shield to prevent something (detection, communication with the outside world, etc.)

7/08/2006 8:30 AM  
Blogger oxillini said...

although the more i think about what i learned in electromagnetics (man, those classes sucked!) the more i believe a powerful EM field providing a shield-like bubble would require massive and extensive antenna grids. and i mean massive on an island-encompassing scale.

7/08/2006 8:49 AM  
Blogger Crossfade said...

That could be why there was an antenna on the island. (Where Rosseau's transmission came from). Maybe they were taken down after the "accident" and THF is going to set them back up when they make it to the island.

7/08/2006 8:58 AM  
Blogger oxillini said...

What if the island's electromagnetic properties are to be harnessed for power? What if the Swan station was really the control room for a massive power supply? Powering what? Well, large-scale lasers require huge "bursts" of power, rail-guns require huge "bursts" of power as examples. Perhaps pushing the button discharged the power harmlessly when thf did not intend to "fire" whatever it was that the Swan station was powering. Just throwing that out there.

7/08/2006 9:10 AM  
Blogger Crossfade said...

Well, I'm going to see pirates tonight at 7. Already got tickets. So me and Cam can be on the lookout.

7/08/2006 10:27 AM  
Blogger Crossfade said...

OMG I posted that last post in the wrong spot. LOL

7/08/2006 10:28 AM  
Blogger oxillini said...

it's ok, I have both windows open!

7/08/2006 10:29 AM  
Blogger Crossfade said...

Hey ox, if you'll give me your e-mail I'll give you an invite to the TLER blogger's chat room.

7/08/2006 10:49 AM  
Blogger oxillini said...

sweet! it's kylekennett@gmail.com

7/08/2006 10:53 AM  
Blogger Thrasher76 said...

Excellent Post!!

7/08/2006 10:57 AM  
Blogger Thrasher76 said...

If they are in fact in a "snow globe," other than shielding the experiments and for protect what other purpose could they have?

Who is making the food drops? How would they have food for the end of the world?

Just my own feebile questions!

7/08/2006 11:01 AM  
Blogger oxillini said...

thrasher: working on a post about nuclear winter, fallout, the end of the world stuff right now. should be all happy and full of puppy dogs and ice cream, ya know! anyway, looks like they'd need at least a year of fodd supply to outlast nuclear winter, still working on the fallout problem.

7/08/2006 11:10 AM  
Blogger oxillini said...

gotta run, see y'all monday morning!

7/08/2006 11:47 AM  

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