UP the new 3D animation from Pixar is at one and the same time a simple and beautiful love story and an exploration of the medium of animation. 3D is used here not as an effect but as an enhancement, a way of transforming the artifice and artificiality of animation into a narrative of an old man's love of his deceased wife. The old man struggles with modernity, with change and with urbanization. His search for a lost Eden is really a search for his lost childhood. In fact the film is about the symbols and objects that make up and give meaning to life at any age. Well worth a visit to the theater.