There really is something interesting when Roland gets to witness other people's passions for their craft. Even if half the time, he's lost in the jargon. Still, nothing Senku's said so far has made him believe that he didn't know what he was actually talking about. So he's happy to hear him out.

"Heh. Just promise me you'll keep me in the loop of your scientific discoveries. Your progress means we know more about our circumstances, since the train won't answer questions."