Greg Egan's novel Diaspora has some mind-bending scenes set in 5 dimensional space. Imagine orbiting a 5 dimensional planet and trying to scan the entire surfac

Greg Egan's novel Diaspora has some mind-bending scenes set in 5 dimensional space. Imagine orbiting a 5 dimensional planet and trying to scan the entire surface. The surface itself is 4 dimensional. Lots of area to search.