Black holes are more like holograms: Scientists

June 13, 2020

 

Now, researchers - from SISSA, ICTP, and INFN - are of the opinion that black holes could be more like a hologram.To study black holes, researchers used an idea almost 30 years old called the "holographic principle" which allowed them to describe gravity without using the concept in itself, thus avoiding friction with quantum mechanics.The entire concept of black holes is a huge mystery for scientists for myriad reasons but most importantly because there is so little known about them but their impact on physics is quite large, throwing scientists for a toss.Black holes being three-dimensional also aligns with Einstein's general theory of relativity. Essentially, black holes "appear" as three dimensional, just like holograms. We all remember that incredible image of a black hole that traveled around the world about a year ago. Yet, according to new research by scientists in Italy, black holes could be like a hologram, where all the information is amassed in a two-dimensional surface able to reproduce a three-dimensional image. In this way, these cosmic bodies, as affirmed by quantum theories, could be incredibly complex and concentrate an enormous amount of information inside themselves, as the largest hard disk that exists in nature, in two dimensions. This idea aligns with Einstein’s theory of relativity, which describes black holes as three dimensional, simple, spherical, and smooth, as they appear in that famous image. In short, black holes “appear” as three dimensional, just like holograms. Bottom line: The theory of relativity describes black holes as being spherical, smooth and simple. Quantum theory describes them as being extremely complex and full of information. Two scientists in Italy have applied the theory of the holographic principle to black holes in a way that appears to resolve this duality.

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