It is undoubtedly true that in some cases time is a fourth dimension, but it is not the fourth dimension. There are many circumstances when we need four or more numbers to specify an observation ...

Theoretical physicists believe math shows the possibilities of a fourth dimension, but there’s no actual evidence—yet. Albert Einstein believed space and time made up a fourth dimension. An ...

Leader and Physics Contemplating the mysteries of the fourth dimension is time well spent. From what it is and why it only goes one way to how we perceive its passage and whether we could live ...