It's time to understand how 3D movies work, since at this point they're never, ever going away. Find out how the Na'vi hair tentacles managed to reach out and spill your Mr. Pibb.

Are you prepared for yet another 3-D revolution? Sony bosses are saying that James Cameron's Avatar just might "change the world", and hinting that another franchise may benefit from the ground breaking.

Did the 3-D version of Monsters Versus Aliens make you want to barf, even though you liked the movie? Now Slate's Daniel Engber explains why - and says the problem may never be solved.