The idea that a hidden fourth dimension could be woven into everyday reality is no longer just a science‑fiction trope.

We live in a three-dimensional reality. Because of that, it’s pretty hard to imagine what a four-dimensional reality might be like, but that isn’t stopping physicists from trying to figure it out. A ...

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 example ...

Here’s what you’ll learn when you read this story: Theoretical physicists believe math shows the possibilities of a fourth dimension, but there’s no actual evidence—yet. Albert Einstein believed space ...

Try picturing a fourth dimension. Take a few steps forward. Veer left for a second dimension, then jump up for a third dimension. Then dive off into a fourth dimension, somewhere, somehow, in a ...

Does our universe have more than four dimensions -- four spatial dimensions plus time? According to some American scientists, the answer is yes. Their new theory of gravity is challenging Einstein's ...