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The holographic principle is a property of string theories and a supposed property of quantum gravity that states that the description of a volume of space can be thought of as encoded on a lower-dimensional boundary to the region – such as a light-like boundary like a gravitational horizon.
In principle, it is possible to make a hologram for any type of wave. A hologram is a recording of an interference pattern that can reproduce a 3D light field using diffraction. In general usage, a hologram is a recording of any type of wavefront in the form of an interference pattern.
A holographic image can also be obtained using a different laser beam configuration to the original recording object beam, but the reconstructed image will not match the original exactly. [2]: Section 2.3 When a laser is used to reconstruct the hologram, the image is speckled just as the original image will have been.
To preserve the holographic principle, Bousso proposed a different law, which does not follow from black hole physics: the covariant entropy bound [3] or Bousso bound. [4] [5] Its central geometric object is a lightsheet, defined as a region traced out by non-expanding light-rays emitted orthogonally from an arbitrary surface B.
Mark Germine, in association with the California Institute of Integral Studies, outlined a holographic principle which he applies to the evolution of consciousness. Germine's theory is similar to other theories of holographic consciousness, but he elaborates on it by drawing on Jason Brown's theory of microgenesis. Microgenetic theory applies ...
Holographic theory may refer to: The holographic principle - a concept in physics whereby a space is considered as a hologram of n-1 dimensions. The holographic paradigm - a concept in quantum mysticism, wherein the holographic principle is conjectured to be fundamental to physics, and by extension to human cognition and perception.
Electron holography is holography with electron matter waves.It was invented by Dennis Gabor in 1948 when he tried to improve image resolution in electron microscope. [1] The first attempts to perform holography with electron waves were made by Haine and Mulvey in 1952; [2] they recorded holograms of zinc oxide crystals with 60 keV electrons, demonstrating reconstructions with approximately 1 ...
In a holographic reconstruction, each region of a photographic plate contains the whole image. Bohm employed the hologram as a means of characterising implicate order, noting that each region of a photographic plate in which a hologram is observable contains within it the whole three-dimensional image, which can be viewed from a range of ...