"Right. Alternating," Peter answers with a quick little nod. If Lyanna's from some kind of medieval place, he figures it's good enough if she can understand even the most simple electrical concepts.

"And yeah, I did," he adds of studying, "but like, science more broadly." He spreads his hands out. "Not just electricity. Especially robotics and chemistry... which is, um. Kind of like potions, I guess? Or alchemy? Alchemy is probably closer."