"Okay professor." Cela answered doubtfully. Clearly he needed hugs. Clearly. It was a shame he didn't even know it.

She listened carefully and then her hand went up in the air. "Professor? How does it work? The drill thing I mean?" It had electronic components right? Even if it ran on batteries it shouldn't work here because of the magic. And this was Hogwarts after all. A memory tugged at her. "Are you using the same charms that Professor Dumont used to so we could see electronic stuff working?" That would also explain his reluctance in letting them use their wands in here.