10 Science Facts That Will Ruin Your Favourite Sci-Fi Movies

First things first: In spite of all its inaccuracies, Harry Potter and the Prisoner of Azkaban director Alfonso Cuaron's space-set 2013 thriller Gravity is a nigh-on perfect movie.

An intense thrill ride, the movie is a shot of adrenaline straight to the heart of its viewers, and the sheer filmmaking skill involved in its creation deserves kudos.

It's also all BS.

Despite the film's title, space doesn’t have any of the eponymous force. So when Sandra Bullock's doomed colleague played by George Clooney starts his slow, tragic death by drifting away from her into the limitless depths of space, he could actually be saved by… well, by just pulling him back.

That’s it, a little light tug on that cord which he's still connected to would send him right back to Bullock, a phenomenon familiar to any viewer who knows how the thing the film is named after actually works.