There is a fourth dimension: time; we move through that just as inevitably as we move through space, and via the rules of Einstein's relativity, our motion through space and time are inextricable from one another. ... Could there be additional spatial dimensions beyond the three that we know?

Has 4th dimension been proven?

Scientists have confirmed the existence of a fourth dimension that Albert Einstein once predicted but could never prove. It is the biggest physics discovery in 50 years and will change the way we view the universe. ... We see the world around us in three dimensions. Einstein predicted a fourth which he called space/time.

Can a 4 dimensional objects exist?

A four-dimensional space (4D) is a mathematical extension of the concept of three-dimensional or 3D space. ... Large parts of these topics could not exist in their current forms without the use of such spaces.