One of the weirdest theories in cosmology is the holographic principle, the idea that our universe is a three-dimensional image projected off a two-dimensional surface — the idea that, yes, we are ...

It proposes that the universe is a three-dimensional image projected off a two-dimensional surface, much like a hologram emerges from a sheet of photographic film. Known as the holographic principle, ...

A new paper analyzes the end of the universe in relation to a theory known as “holographic dark matter,” in which gravity and space form a quantum illusion of our true, 2D reality. The study ...