Neil deGrasse Tyson Shares the Secret of Time Travel

Regardless of your feelings about Christopher Nolan’s “Interstellar,” there’s no denying that it dabbles in some pretty interesting scientific ideas. (Astrophysicist Kipp Thorne did help Nolan make the film, after all.)

Though some of the science is “laughably wrong,” Neil deGrasse Tyson is able to use science to explain the ending. Tyson has already given the movie a spontaneous Twitter review, and examined nine remaining mysteries from the film.

In a video from Business Insider Tyson explains black holes, dimensions, time and “Interstellar.” Beware, there are spoilers. Watch below: