Simple Two-dimensional Example
A very familiar example of a curved space is the surface of a sphere. While to our familiar outlook the sphere looks three dimensional, if an object is constrained to lie on the surface, it only has two dimensions that it can move in. The surface of a sphere can be completely described by two dimensions.
Read more about this topic: Curved Space
Famous quotes containing the word simple:
“Happy you poets who can be present and so present by a simple flicker of your genius, and not, like the clumsier race, have to lay a train and pile up faggots that may not after prove in the least combustible!”
—Henry James (1843–1916)