Gravity bends space, so how can space have only 3 dimensions?
12611
Better explanation of the common general relativity illustration (stretched sheet of fabric)
144274
Why mass & energy bend spacetime?
131128
Why time is considered a dimension?
43480
Visualizing the 4th dimension.
151659
Why are there 4 Dimensions and 4 Fundamental Forces?
1553
How is gravity proportional to space-time curvature in the rubber-sheet analogy?
95981
Gravity in 2d space and inverse linear law
24664
What does it mean for objects to follow the curvature of space?
64959
How exactly does gravity work?
63346
How can the universe expand if there is gravitation?
103891
What's the biggest cube you could have before gravity rounded it?
123415
Spacial curvature and expanding space
79098
Why are extra dimensions necessary?
136212
How is the expansion of space itself explained in LQG?
6460
How does "curved space" explain gravitational attraction?
26769
Why does string theory require 9 dimensions of space and one dimension of time?
75803
Why does the space of pure qudit states have dimension $2(D-1)$, rather than $D^2-2$?