I mean for example when we imagine the Universe as a ball, or as a sphere, it represents only the surface of both, right? But the spherical surface has only two dimensions, very different from the four dimensions theorized by Einstein and the fourth dimension is related to time. So, can we say that space expands in time?
[link] [comments]
from newest submissions : Physics http://ift.tt/2wNwc2q
No comments :
Post a Comment