"Alchemy, yes!" He perks up as she makes the connection. "Yes! That can be a kind of science, I think. A-And people who make machines learn about science even if they don't know that's what they do."

As someone who regularly halts and hesitates as he speaks, Viatorus is unlikely to pick up on anything strange about other people doing it.

"What about supernatural beings? Ghosts? Demons? Sea monsters?"