"You silly Muggleborns and your silly electronics," Tristan said, shaking his head sadly. "Does make you wonder what it is about the school that makes them not work though."
"Oh, I dunno," Lan said. "Maybe all the wards, charms, and protections might tangle with the magic. And it isn't like we can have powerlines running into a place that," he paused and did air quotes, "doesn't exist."
Tris blinked. Then slowly looked to Lan. "Wait, what? Did you just say we don't exist?" He looked around wildly. "Oh, who said that? Now I'm hearing voices!"