Nuclear? Like, nukes? Bombs. Dude! Respect. [He probably shouldn't think dangerous things are so interesting and cool but that look of awe is genuine.]

I already signed up for some chemistry classes, got a good deal on it. No offense, doc, but I kind of need a reason to show up. You have no idea how hard it is to pay attention to this kind of stuff. Sitting for an hour while someone talks? Torture.