There's a row</span> of books on a shelf in Marc ten Bosch's living room that contains a crash course in higher dimensions. Titles like <i>Flatland. Einstein, Picasso: Space, Time and the Beauty That Causes Havoc. The Fourth Dimension and Non-Euclidean Geometry in Modern Art.</i> A young-adult novel called <i>The Boy Who Reversed Himself</i>. They're all devoted to helping our brains break out of the three dimensions in which we exist, to aid our understanding of a universe that extends beyond our perception.