> If you were to cut off the part that isn't lifting, do you reckon the entirety of the floaty half would float? AKA is this semi-float thing a purity issue?

And Andrew responded [0]:

> We wanted to do rock surgery, but I was scared we would shatter our biggest piece. It definitely has a piece that isn't contributing lift.

I'm guessing once they've prepared more samples and had existing samples tested they'll break some into smaller parts to try and get a piece that floats independently.

[0] https://twitter.com/andrewmccalip/status/1687408423179370497