Quote:J.K. Rowling herself declared it, several times. For example, during Goblet, Harry wondered if she wasnt perhaps bugging students before it was realzied that she was, in fact, a bug animagus (Unregistered)
That said, who's sure that technology *doesn't* work at Hogwarts? Never in the books do we see someone try, to the best of my knowledge (and given that I only read half of HBP before pitching that pizzacarp at the wall in frustration....) If it turns out that tech doesn't actually work, I'd expect a localized EM field like discussed above, and that shielded or hardened electronics would quickly get around that problem.
There have been other instances where she's refered to things like Harry's watch stopping as they get close to Hogwarts but working normally again after leaving.
Hermione, as her secondary role as THE voice of exposition, points out that muggle technology just doesnt work around Hogwarts. I think I shall take the position that it is, in fact, part of the specific enchantments around Hogwarts that causes said effect, rather than it being that magic, per sey, causes interfereance with electronic items.
And, Just to TOTALLY muddle the waters on you all...
I'd submit that if, in fact, it IS a case of magic and most ELECTRONIC (but not neccecarily MECHANICAL) devices not working well together, it could be that its because the little quantum particles ARE interfereing with each other making the whole lot confused as to if they should be behaving like electrons or Manatrons; this would make techomancy not neccecairly Impossible, but difficult enough that most people would not find it worth the effort to work around"I was an Otaku before those kids came along and changed the meaning of the word."
-- HM "Howling Mad" Wilson to more than one team-mate.
Hear that thunder rolling till it seems to split the sky?
That's every ship in Grayson's Navy taking up the cry-
NO QUARTER!!!
-- "No Quarter", by Echo's Children