Oh, I'm not doubting any of that. I just want to know how you made it possible.

[There's a small smile when he turns to face Kato.]

After all... a serious scientist should divulge his methods, don't you think?

[Maybe it didn't look that way before, but right now it really looks like he's asking out of sheer and genuine curiosity.

He's keeping his conscience at bay. It's working well. All he has to do is not look at the Electrode, he supposes.]