Tony Robbin had started out as a painter. He created complex works filled with interwoven patterns and ambiguous figures to give the illusion of seeing more than one object in the same place at the ...

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 ...

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 ...