"Yeah, mostly I spent it counting. I thought, but I counted so I would know the date. It's very important to know the date when you're on what is now an empty planet." Senku hummed. "At least, devoid of humans. Taiju woke up on his own six months after me. Everyone else was courtesy of the revival fluid I managed to perfect another half a year later."

All parts of science were his thing, that included chemistry.

"I have set many things on fire. That wasn't really the goal though." He snickered. "But as long as I did it outside with safety equipment, dad complained a lot less. Byakuya just didn't want me to burn the apartment down." He grinned.

"It was very successful. I'd have sent a fourth one up, but you know how that ended. I got excellent data from my third rocket though. I learned a great deal about the entire process. Learning is what I have always spent my life doing. Now I do a lot of teaching." Senku admitted. "My old man would laugh. A lot. But it's not as bad as I thought it would be. Sometimes, I still get to learn new things, so it's not terrible. I learned a lot about how to fix my cooking skills from Francois."