[Tim's eyebrows go up at that. Dipper's flat tone is a pretty good indication that he's not okay about it at all, but he's not going to press that issue. The warning is pretty clear. And it's a good reminder. He doesn't know what it could be, and there are better ways of finding out than testing it. Sometimes things you don't know can hurt you.]

Good call, probably. I don't know anything about their world except that it's kind of spooky. And maybe it's not a good idea to touch spooky machines.