• for details; The attenuation coefficient is also sometimes called opacity; see opacity (optics). A very similar approach uses the penetration depth: E (...
    18 KB (2,745 words) - 16:24, 20 April 2024
  • Thumbnail for Opacity
    T)d\nu }}.} Look up opacity in Wiktionary, the free dictionary. Absorption (electromagnetic radiation) Mathematical descriptions of opacity Molar absorptivity...
    8 KB (1,140 words) - 09:02, 14 May 2025
  • Thumbnail for Refractive index
    time dependence as Re[exp(−iωt)] versus Re[exp(+iωt)]. See Mathematical descriptions of opacity. Dielectric loss and non-zero DC conductivity in materials...
    82 KB (9,198 words) - 12:45, 9 May 2025
  • For details, see Mathematical descriptions of opacity. Even if the material's resistivity is known, calculating the resistance of something made from...
    76 KB (8,180 words) - 22:15, 7 May 2025
  • Thumbnail for Penetration depth
    Penetration depth (category Articles with short description)
    ways of specifying the decay of an electromagnetic field can be expressed by mathematical descriptions of opacity. This is only specifying the decay of the...
    6 KB (943 words) - 15:34, 17 March 2025
  • Propagation constant (category Articles with short description)
    the others, and their interrelationships, see the article: Mathematical descriptions of opacity. Propagation speed Jordon, Edward C.; Balman, Keith G. (1968)...
    16 KB (2,353 words) - 16:25, 20 October 2024
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    Gaussian beam (category Articles with short description)
    frequency of the light and t is time. The time factor involves an arbitrary sign convention, as discussed at Mathematical descriptions of opacity § Complex...
    47 KB (6,964 words) - 04:17, 12 May 2025
  • Extinction coefficient (category Short description is different from Wikidata)
    of the complex index of refraction For the quantitative relationship between the chemistry and physics definitions, see Mathematical descriptions of opacity...
    798 bytes (116 words) - 14:40, 3 March 2025
  • Absorbance (category Logarithmic scales of measurement)
    Spectroscopy (TDLAS) Densitometry Neutral density filter Mathematical descriptions of opacity IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book")...
    21 KB (2,921 words) - 18:00, 10 February 2025
  • Index ellipsoid (category Short description with empty Wikidata description)
    Birefringence Complex refractive index Crystal optics D-DIA Mathematical descriptions of opacity Or, in older literature, biaxal. Or, in older literature...
    18 KB (2,621 words) - 03:29, 14 February 2025
  • its frequent opacity. In part it was rough going because of the cumbersomeness of ordinary language as compared with the suppleness of a notation especially...
    16 KB (1,981 words) - 06:02, 1 May 2025
  • Thumbnail for Stellar structure
    Stellar structure (category Articles with short description)
    theory rather than a rigorous mathematical formulation. Also required are the equations of state, relating the pressure, opacity and energy generation rate...
    15 KB (2,089 words) - 21:20, 1 October 2024
  • Mathematical descriptions of opacity Mathematical descriptions of physical laws Mathematical descriptions of the electromagnetic field Mathematical formulation...
    24 KB (2,447 words) - 12:55, 21 November 2024
  • Thumbnail for Black swan theory
    short descriptions of redirect targets Perfect storm – PhrasePages displaying short descriptions with no spaces Quasi-empiricism in mathematics Rare events –...
    21 KB (2,648 words) - 07:35, 18 May 2025
  • Thumbnail for Cataract surgery
    6%—the highest rate in the world. A mathematical model using survey data from sub-Saharan Africa showed the incidence of cataracts varies significantly across...
    152 KB (15,317 words) - 00:19, 21 March 2025
  • Thumbnail for Blend modes
    Blend modes (category Articles with short description)
    modify the basic blend modes, for example by applying different levels of opacity to the top "layer". The top "layer" is not necessarily a layer in the...
    27 KB (3,940 words) - 05:50, 30 April 2025
  • Thumbnail for Transparency (graphic)
    Transparency (graphic) (category Articles with short description)
    associated color and opacity between 0 and 1. For each color channel, you might work with this model: if a channel with intensity G2 and opacity T2 overlays a...
    16 KB (2,123 words) - 10:55, 4 March 2025
  • Thumbnail for Theoretical astronomy
    formation and celestial mechanics. From the point of view of theoretical astronomy, not only must the mathematical expression be reasonably accurate but it should...
    33 KB (3,882 words) - 16:37, 4 May 2025
  • but one has no way of determining which produced what effect. Taleb argues this is due to The Triplet of Opacity (an illusion of understanding in which...
    20 KB (2,059 words) - 06:20, 3 April 2025
  • Thumbnail for Digital compositing
    Digital compositing (category Articles with short description)
    compositing. It's part of VFX processing. The basic operation used in digital compositing is known as alpha blending, where an opacity value, 'α', is used...
    10 KB (1,337 words) - 08:13, 6 April 2025
  • Thumbnail for Map symbol
    Map symbol (category Articles with short description)
    pattern of distribution of the sub-symbols, often either random or as a regular grid. Transparency or Opacity, the mathematical blending of symbols of overlapping...
    19 KB (2,117 words) - 16:02, 18 February 2025
  • Thumbnail for Wave function
    quantum physics, a wave function (or wavefunction) is a mathematical description of the quantum state of an isolated quantum system. The most common symbols...
    99 KB (13,587 words) - 21:25, 14 May 2025
  • Thumbnail for Problem solving
    unpredictability[specify] intransparency (lack of clarity of the situation) commencement opacity[definition needed] continuation opacity[definition needed] polytely (multiple...
    87 KB (9,997 words) - 13:29, 29 April 2025
  • Thumbnail for Secrecy
    Secrecy (redirect from Problem of secrecy)
    (December 2011). "Introduction to secrecy and transparency: the politics of opacity and openness". Theory, Culture & Society. 28 (7–8): 7–25. doi:10.1177/0263276411427744...
    20 KB (2,090 words) - 01:06, 7 April 2025
  • Thumbnail for Henyey track
    Henyey track (category Articles with short description)
    tells us the relation of opacity (κ) and temperature gradient T. Stars with high opacity will be convective, while low opacity will be radiative for heat...
    5 KB (601 words) - 23:30, 15 March 2025
  • Donkey sentence (category Articles with short description)
    the lines of Russell's theory of descriptions. Later authors have attributed an even larger role to definite descriptions, to the point of arguing that...
    23 KB (2,400 words) - 17:39, 8 May 2025
  • the truth or falsity of such by mathematical proof. When mathematical structures are good models of real phenomena, mathematical reasoning can be used...
    251 KB (31,177 words) - 16:11, 25 April 2025
  • Thumbnail for Hayashi track
    Hayashi track (category Articles with short description)
    the track lies at a temperature of roughly 4000 K. Stars on the track are nearly fully convective and have their opacity dominated by hydrogen ions. Stars...
    24 KB (3,724 words) - 23:23, 15 March 2025
  • Free particle (category Articles with short description)
    Blanchard, Philippe; Brüning, Erwin (2015). "Mathematical Methods in Physics". Progress in Mathematical Physics. Cham: Springer International Publishing...
    13 KB (1,929 words) - 00:49, 5 April 2025
  • Referential transparency (category Articles with short description)
    referential transparency and referential opacity are properties of linguistic constructions, and by extension of languages. A linguistic construction is...
    13 KB (1,502 words) - 04:46, 12 December 2024