Slowly expiring in the unrelenting void of space is perhaps one of the worst imaginable ways to die. Which is what makes Gravity, directed by Alfonso Cuarón, such a terrifying premise. One made even more so by just how real it all seems. Here's how they pulled it off.

In this IMAX Behind the Frame featurette, Cuarón discusses the inspiration behind and the efforts that went into the film's visceral cinematography. If you weren't excited already based on the plot, you should at least get fired up by the technique.