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 ...

Cosmos: Carl Sagan: The 4th Dimension In this scene from the classic “Cosmos” series, Carl Sagan imagines what happens when a three-dimensional character enters a two-dimensional world. FQXi: Taking ...

Two-dimensional experiments in 2018 showed evidence of four-dimensional existence. Electrons moved in two dimensions when influenced by a magnetic field, hinting at how a similar effect would occur ...