Are there membrane theories beyond string theory?
55534
Why one-dimensional strings, but not higher-dimensional shells/membranes?
151855
Non-linearity and self-coupling of gravity
86423
Dimension & non - locality problem in string theory
151086
What bends fabric of space-time?
9388
Can matter be described as the result of the curvature of space, instead of vice versa?
3201
Landau & Lifshitz's Approach (contour method) on the WKB connection formulas
42343
Is spacetime all that exists?
50965
Gravitational constant in higher dimensions?
20732
Mathematics needed for string theory
114073
What are the strings in string theory made of?
155208
Why aren't Christoffel symbols tensors? - asked from a fibre bundle perspective
30765
Is anti-gravity (i.e. repulsive gravity) possible in theoretical physics?
103910
Massless string Paradox
8985
What does string theory predict for the singularity inside a black hole?
44785
Do black holes have infinite areas and volumes?
107881
Is it possible that there is no theory of quantum gravity?
106211
Is the universe isomorphic to a universal turing machine?