Joly grins. "Oh, I have lots of theories about that. Would you like me to tell you about brainwaves, and potential electromagnetic projections, or the possible way that the energy of the human body would interact with the medium of--of--" he claps his hands together in triumph and sits up. "-- Aether! They had actual aether in that world! And oh, I did have a lot of theories. I think it entirely explainable without getting religious, if you want to avoid that."

He blinks as he thinks that over. "--What part of us do you think came through here? Do you suppose our actual bodies fell through our doors?" It's not an argument. Joly's been wondering this himself for a while.