Space & PhysicsOctober 1, 2002
The Universe's Unseen Dimensions
The visible universe could lie on a membrane floating within a higher-dimensional space
Stories by Nima Arkani-Hamed
Space & PhysicsAugust 1, 2000
The Universe's Unseen Dimensions
The visible universe could lie on a membrane floating within a higher-dimensional space. The extra dimensions would help unify the forces of nature and could contain parallel universes