As the eminent American physicist Kip Thorne describes it, it is "the point where all laws of physics break down". The author suggests that this means quantum computers could be used to decode some of the mysteries of the universe. There is good reason to believe, however, that particles can get out of them by "tunneling" The first 30 years Of this century saw the emergence of three theo­ ries that radically altered man's view of physics and of reality itself. Hawking had shown that black holes are not truly black. Called the black hole information paradox, this prospect follows from Hawking’s landmark 1974 discovery about black holes — regions of inescapable gravity, where space-time curves steeply toward a central point known as the singularity. Quantum gravity admits two different descriptions, based on Euclidean gravitational path integral and a unitarily evolving holographic quantum system, which appear to present vastly different pictures under the existence of a black hole. Caption: The geometry of spacetime around a black hole behaves like a quantum computer The geometry of spacetime around a black hole behaves like a quantum computer, and it can encode photons with quantum messages, according to a new paper in the journal Annals of Physics. By Adrian Cho Mar. 20, 2018 , 5:45 PM. Rather than being empty, the vacuum is teeming with particle-antiparticle pairs that are created fleetingly by the vacuum's energy, but must annihilate each other shortly thereafter and … But in quantum physics, the vacuum is much more interesting, in particular when it is near a black hole. The black hole information paradox is a puzzle resulting from the combination of quantum mechanics and general relativity.Calculations suggest that physical information could permanently disappear in a black hole, allowing many physical states to devolve into the same state. Nevertheless, these two descriptions are physically equivalent. Hawking’s final quest: saving quantum theory from black holes. The Quantum Mechanics of Black Holes Black holes are often defined as areas from which nothing, not even light, can escape. In the center of a black hole is a gravitational singularity, a one-dimensional point which contains a huge mass in an infinitely small space, where density and gravity become infinite and space-time curves infinitely, and where the laws of physics as we know them cease to operate. …

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