i know that mathimatically a 4th dimension is a given... there no doubt about that... but what about in the real world... is there any evidence to point towards the existance of a 4th dimension?
According to Einstein's Theory of Relativity, the Universe can be described by regarding spacetime as a single four-dimensional thing. And as you may know, relativity is supported by a vast number of experiments.
yes but i don't think that it says anything about a 4th spacial dimension... its regarding time as the 4th dimension... and that the universe is compiled of the combination of space and time -> spacetime. but what about a fourth spacial dimension? or is time a spacial dimension when in combination to the 3rd spacial dimension?