The abstract specifically says that no new physics resulted from the movie-making process: "There are no new astrophysical insights in this accretion-disk sect

The abstract specifically says that no new physics resulted from the movie-making process: "There are no new astrophysical insights in this accretion-disk section of the paper, but disk novices may find it pedagogically interesting, and movie buffs may find its discussions of Interstellar interesting."