He's definitely not going to have any problem occupying himself for an hour or so. The bigger challenge might be extricating himself when the time comes.

Bucky listens to Shuri's rapid-fire explanation of her new theory for kinesthetic modification of something-or-other based on geotemporal-and-spatial recognition of... something..., and nods along as best he can whenever she pauses for breath. Following the instructions for testing's a lot easier. He balances as she says, places pressure with his left hand as she indicates on the test points and lets her scan everything she can think of to scan and then some.