Dipper opens his mouth to shriek one of his shrill joy-shrieks and remembers just in time that they're on a mission and that high-pitched shrieking in unknown territory is probably a bad idea. After clamping the hand not holding the PKE meter over his mouth to stifle it, he just sort of wheezes quietly for a second.

"Seriously?" He pauses. "Actually, I do know someone who can do maintenance on a nuclear-powered particle accelerator. My Great Uncle Ford is a paranormal scientist and he and his friend Mr. McGucket built a dimensional portal and all kinds of cool stuff. So I totally have someone back home that could keep it in shape."