There are countless reasons to go see the long-awaited Simpsons movie this weekend, but for geeks, one of the big draws of the show has always been the sometimes obscure, always intelligent references to science and mathematics. At least a few editors of this magazine are devotees of the famous Halloween episode in which Homer ventures into the third dimension. Its practically a primer on cosmology and extra-dimensional physics. And über-nerd Professor Frink is featured heavily, which is always a bonus.