Ratherbeflying etal
I faintly recall a video of somebody pouring coffee or tea into a mug while transitioning through upside down in a barrel roll.
For the water to stay in the glass, it doesn't have to always be 1 G through the vertical axis of the glass. Anything positive will do the job.
This would make an interesting subject in the Tech forum, but seriously divert the thread subject in Rumor & News