[CooleyAsCanBe]

Originally Posted by FRPLG

I am guesing that whatever electromagnetic properties Faraday utilized on Eloise take place naturally in around the island and the only way to avoid the affects is to travel a specific route that avoids the frequencies at which the phenomenom happen.

That's possible, but then Sayid would also have been affected. I think the fact that Desmond turned the key to stop the end of the world and was therefore at the center of a monster electromagnetic discharge is a better explanation.