A new theory of the fabric of the universe has proposed that time has three dimensions. Moreover, this model leads to the conclusion that these three time dimensions are the true underlying feature of ...

Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

(Phys.org)—The question of why space is three-dimensional (3D) and not some other number of dimensions has puzzled philosophers and scientists since ancient Greece. Space-time overall is four ...

An optical illusion that makes an iPhone X screen look like a three-dimensional hole is going viral. The effect is created by an augmented reality app called " The Parallax View." Swedish artist ...

Stars differ in size, luminosity and distance from us. We discuss how astronomers measure these three values to understand the three-dimensional sky.

A trippy fringe theory suggests that time is the source of all physical matter, and space is merely a byproduct.

What we experience as reality might be something like a hologram—a three-dimensional (3D) projection of information that is stored on a two-dimensional (2D) surface. In this video excerpt from ...

The Best Illusion of the Year contest named its 2018 winner: an object that looks completely different from three different viewpoints.

The illusion is called an autostereogram, which describes “two-dimensional (2D) images with repeating patterns that hide an underlying three-dimensional (3D) image,” according to Vision and ...