The holographic principle implies that all the information in a volume of space can be encoded onto its boundary from "summary" of The Fabric of the Cosmos by Brian Greene
The holographic principle suggests that the information contained within a given region of space can be represented on the boundary that surrounds it. This idea challenges our conventional understanding of how information is distributed in the universe. In essence, it proposes that the three-dimensional reality we perceive may actually be a holographic projection of data stored on a two-dimensional surface. This principle emerged from attempts to reconcile quantum mechanics with the theory of gravity. According to the principles of quantum mechanics, information cannot be lost; it must be conserved. However, when black holes were taken into consideration, a discrepancy arose. Black holes have an entropy that is proportional to their surface area rather than their volume, leading physicists to speculate that the information within a black hole might be encoded on its surface rather than within its interior. The holographic principle suggests that the universe is like a hologram in which the information that makes up our reality is distributed in a different way than we perceive. It implies a fundamental connection between the physics of the very small (quantum mechanics) and the very large (general relativity). If true, this would have profound implications for our understanding of space, time, and the nature of reality itself. While the holographic principle has yet to be definitively proven, it has sparked a great deal of interest and research within the physics community. If validated, it could revolutionize our understanding of the universe and our place within it. The idea that all the information in a volume of space can be encoded onto its boundary challenges our intuitions about the nature of reality, pushing us to reconsider the fundamental principles that govern the cosmos.
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