Zhao Yi, he's in seclusion!
While the physics class was in session, he was closed up in the faculty dormitory, scribbling on his desk, seriouslly getting into the working mode.
After gaining inspiration from Hu Zhibin, Zhao Yi knew he had to start his research. He had found his way to proof, and with the hardest part - the beginning - tackled, all he had to do was follow the path laid out to its conclusion. Now, that was going to be the easiest part.
He intended to solve the issue in one go.
Study Coin: Focused Mode.
Research Coin: Causality Thinking Mode.
Under the influence of both states, his brain cells became incredibly concentrated and active, continually deploying several abilities.