What is spacetime (simple explanation)?
111371
What really is Spacetime?
145003
How can a point-like particle "feel" gravity, if locally the curvature of spacetime is always flat?
96775
Einstein's static universe concept
148392
Has the concept of non-integer $(n+m)$-dimensional spacetime ever been investigated by theoretical physicists?
12784
Is the popular explanation given for gravity in General Relativity misleading?
138834
A question about special relativity theory
12611
Better explanation of the common general relativity illustration (stretched sheet of fabric)
100386
Curvature of spacetime as a real thing?
129425
Give a description of Loop Quantum Gravity your grandmother could understand
64959
How exactly does gravity work?
60084
In a very small static universe with only a particle, does it make sense to talk about time?
65463
Explanation: Simple Harmonic Motion
23005
What is your simplest explanation of string theory?
66193
How to prove that a flat spacetime admits Minkowski coordinates?
39940
Is spacetime flat inside a spherical shell?
6727
Is spacetime discrete or continuous?
144208
Does String theory say that spacetime is not fundamental but should be considered an emergent phenomenon?