He huffs out a sigh. It isn't as if he planned on going into that much more detail when he picked those books out or anything, and now here he is having to explain his choices.

"They can destroy ships. Dunno about entire planets. Probably fuck one up real good if you had enough antimatter."

Shrug. He fiddles with the handle of his mug.

"The antimatter book's for that. Quantum physics explains how everything works. The other one is just 'cause you looked like you thought space ships were cool."