They suggested that the early universe—which exploded from a single point and was very, very small at first—was one-dimensional (like a straight line) before expanding to include two dimensions (like ...

They believe the way our universe started and then diluted as it expanded – what they call the relaxation principle – favored formation of three- and seven-dimensional realities.

BUFFALO, N.Y. — Did the early universe have just one spatial dimension? That’s the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and ...

Physicists have proposed a new theory that explains why our universe occupies three spatial dimensions, giving insight into how the cosmos came to be.

Randall takes us to the incredible world of hidden dimensions that underlie the universe we live in, and describes how we might prove their existence, how string theory may be tested and what ...

Could the universe have more dimensions than we realize? (Image credit: Getty Images) String theory is a purported theory of everything that physicists hope will one day explain … everything.

Two-Dimensional Universe This universe is like a flat sheet of paper that goes on forever. Unlike the wire, this universe has a forward and backward and a left and right.

Program Overview for the NOVA program Elegant Universe, The: Welcome to the 11th Dimension: Investigate the latest incarnation of string theory, known as M-theory, and discover what kind of ...