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

Much like a 3D hologram emerges from the information encoded on a 2D surface, our universe’s 4D space­­time could be a holographic projection of a lower-dimensional reality.

Inside an empty glass orb not much bigger than an upturned fishbowl, a three-dimensional face appears and smiles, as if conjured from a floating dust of pixels. It looks like the classic hologram ...

Imagine the boundary consists of many Planck-length squares, each able to hold a single bit—0 or 1—empty or full. You can have small-scale patterns of these bits, where each square is independent.

Getting a hologram to look 3D in pictures or video is basically impossible. Having seen it in person however, I can report it's extremely impressive. Unfortunately, it's still not very big.

There is also the early Michael Jackson "illusion" and the Whitney Houston hologram, the latter of which debuted in 2020 in the U.K. and in 2021 in Las Vegas.. Elvis has re-emerged in the cultural ...