What did Einstein mean by-matter curves and warps spacetime?
2723
Physically what does warping (of space-time) mean?
104255
Can we know the fundamental nature of space and time?
130760
What are matter waves made of and what is their speed?
51720
Why does Minkowski space provide an accurate description of flat spacetime?
141320
Particle energy in general relativity?
37973
Space-time in String Theory
6474
How exactly does curved space-time describe the force of gravity?
108384
Special Relativity and $E = mc^2$
26354
Is anti-matter matter going backwards in time?
95763
Elastic modulii of spacetime
4132
What is the closest general-relativistic equivalent of a "time slice"?
57817
When objects fall along geodesic paths of curved space-time, why is there no force acting on them?
43724
What do spacelike, timelike and lightlike spacetime interval really mean?
152505
Does space curvature automatically imply extra dimensions?
75058
Why isn't an infinite, flat, nonexpanding universe filled with a uniform matter distribution a solution to Einstein's equation?
42291
Why is spacetime curved by mass but not charge?
1553
How is gravity proportional to space-time curvature in the rubber-sheet analogy?