I think exposure is enough so that depends what you might have passed by, and you never know. [She grins, dryly.] While it could have been an accident, people do thing like that intentionally as well.

Grim intentionally searched it out and used it, both on himself and the other dinobots, to, hopefully, fix them. You never know.

[Of course, given Rose's predicament, maybe this isn't nucleon, even if Ironhide's "symptoms" seems the closest to that. The possibility of more energon crystals...]