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Analog models of gravity information


Analog models of gravity are attempts to model various phenomena of general relativity (e.g., black holes or cosmological geometries) using other physical systems such as acoustics in a moving fluid, superfluid helium, or Bose–Einstein condensate; gravity waves in water; and propagation of electromagnetic waves in a dielectric medium.[1] These analogs (or analogies) serve to provide new ways of looking at problems, permit ideas from other realms of science to be applied, and may create opportunities for practical experiments within the analog that can be applied back to the source phenomena.

  1. ^ Barceló, Carlos; Liberati, Stefano; Visser, Matt (2011). "Analogue Gravity". Living Reviews in Relativity. 14 (3): 3. arXiv:gr-qc/0505065. Bibcode:2011LRR....14....3B. doi:10.12942/lrr-2011-3. PMC 5255896. PMID 28179830.

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black hole and the flow of an approximately perfect fluid is analogous to gravity (see Analog models of gravity). Observations of Hawking radiation were...

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as the definition of the second. Clocks have different ways of displaying the time. Analog clocks indicate time with a traditional clock face and moving...

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limited to are such criteria as planet size, surface gravity, star size and type (i.e. Solar analog), orbital distance and stability, axial tilt and rotation...

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driven models in place of analog models. Mixed-mode simulation is handled on three levels; (a) with primitive digital elements that use timing models and...

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as an alternative explanation of the observed apparent acceleration of the cosmic expansion. In analog models of gravity, the "Gordon form" expresses the...

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modified gravity theories because its apparent center of mass is far displaced from the baryonic center of mass. Standard dark matter models can easily...

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exhibition after learning that the government research institution's Donner Model 30 analog computer could simulate trajectories with wind resistance. He designed...

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which is being used also in the analog gravity models. Thus, relativistic gravity is essentially a long-wavelength theory of the collective modes whose amplitude...

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their own gravity. Different models for the early universe vary widely in their predictions of the scale of these fluctuations. Various models predict the...

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by gravity. The global topology of the universe cannot be deduced from measurements of curvature inferred from observations within the family of homogeneous...

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specific gravity of the electrolyte can be used to indicate the SoC of the battery. Hydrometers are used to calculate the specific gravity of a battery...

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Geodesy and gravity techniques, including gravimetry and gravity gradiometry. This type of survey is carried out to discover the structure of rock formations...

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published in The Bulletin of the European Association for Theoretical Computer Science. Both digital and analog hardware implementations of bead sort can achieve...

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