"No," I say quickly, holding out a hand to stop her. "Stay here. At least 'til I figure out why I can see you. For reasons other than I'm possibly crazy.."

I look at the device, then push my glasses back up my nose to peer over at Coraline, frowning, realizing I've seen these kind of readings before. Not identical, mind you, but it's the kind of stuff you get after a temporal displacement.

"...hey, are you wearing a watch?"

If she is and it's still working, I might be able to test a hypothesis.