Bruce will eventually get all the way down to a sit - not yet, but when he does it will be a sign of relaxation. It will also respect his knees a good deal more than the position he's currently in, albeit meaner to them when he inevitably stands up again.

"That sounds like most things both technological and magic," he admits, with a faint smile. Because it's all innovation and making things work and levels of understanding and manipulating... material and tools.

Any way he follows Zerxus' eyes to the ...hologram?

"That doesn't seem possible." he sounds... almost sad about that.