[Happily, Wysteria is fairly amiable about the changing of gears.]

I'm not...altogether certain. Mister Stark and I [and Misters Ellis and Fitz and so on, but surely that much is implied in with those three words] have been working on measuring the level of Fade...iation... emitted by the Rifts. And while its true to some extent that there are warning signs which precipitate their opening and readings which might be taken once they are fully formed--

The theory seems sound.