M-Theory: A theoretical framework in physics that unifies various string theories and describes a higher-dimensional universe. G2 Manifolds: Seven-dimensional manifolds with special geometric ...

One such problem, along with dark matter and dark energy, is that the universe looks sort of flat. First ... Like string ...

Previous experiments, such as the WMAP satellite, have supported a flat theory. The recent Planck release, however, with significantly better precision, has found the Universe is “nearly flat”, but is ...

The universe may not be infinite or flat. Physicist Glenn Starkman and his team propose it could have a complex topology, possibly shaped like a 3-torus, resembling a hyperdimensional doughnut.