User:Markus Pössel/GRSandbox

Both consistency between a quantum description of matter and a geometric description of space-time, and the appearance of singularities involving minute curvature length scales indicate that a full theory of quantum gravity is needed for an adequate description of the interior of black holes and time evolution close to the big bang: a theory in which gravity and the associated geometry of space-time are described in the language of quantum theory. Despite major efforts in this direction, no complete and consistent theory of quantum gravity is currently known; there are, however, a number of promising candidates.