Is curved spacetime a real thing or just math?
100386
Curvature of spacetime as a real thing?
39940
Is spacetime flat inside a spherical shell?
97246
Can gravity be interpreted as the acceleration of spacetime towards an object?
117326
Why energy curves spacetime?
12784
Is the popular explanation given for gravity in General Relativity misleading?
33554
Can the problem of unification of Quantum Mechanics and General Relativity be converted into a pure Mathematical problem?
1553
How is gravity proportional to space-time curvature in the rubber-sheet analogy?
76894
Why is spacetime not Riemannian?
112452
Why does dark energy produce positive space-time curvature?
43724
What do spacelike, timelike and lightlike spacetime interval really mean?
65001
Universe from nothing?
66193
How to prove that a flat spacetime admits Minkowski coordinates?
156058
Are time loops real?
6727
Is spacetime discrete or continuous?
50566
Nature of gravity: gravitons, curvature of space-time or both?
6460
How does "curved space" explain gravitational attraction?
134697
How does classical GR concept of space-time emerge from string theory?