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The Prentice position. The Prentice position is an orientation of a prism, used in optics, optometry and ophthalmology. [1] In this position, named after the optician Charles F. Prentice, the prism is oriented such that light enters it at an angle of 90° to the first surface, so that the beam does not refract at that surface.
Prism spectacles with a single prism perform a relative displacement of the two eyes, thereby correcting eso-, exo, hyper- or hypotropia. In contrast, spectacles with prisms of equal power for both eyes, called yoked prisms (also: conjugate prisms , ambient lenses or performance glasses ) shift the visual field of both eyes to the same extent.
The discography of American rock band Tool consists of five studio albums, one box set, two extended plays, four video albums, sixteen singles and eight music videos.. Tool was founded in 1990 by vocalist Maynard James Keenan and guitarist Adam Jones, [1] who then recruited drummer Danny Carey and bassist Paul D'Amour.
One of the application of Student's t-test is to test the location of one sequence of independent and identically distributed random variables.If we want to test the locations of multiple sequences of such variables, Šidák correction should be applied in order to calibrate the level of the Student's t-test.
The Šidák correction is derived by assuming that the individual tests are independent. Let the significance threshold for each test be α 1 {\displaystyle \alpha _{1}} ; then the probability that at least one of the tests is significant under this threshold is (1 - the probability that none of them are significant).
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Alien: Romulus is a 2024 American science fiction horror film directed by Fede Álvarez and written by Álvarez and Rodo Sayagues.Produced by Scott Free Productions and Brandywine Productions, it is part of the Alien franchise, set between the events of Alien (1979) and Aliens (1986).
As recently as the 1980s, the camera lucida was still a standard tool of microscopists. [4] It is still a key tool in the field of palaeontology. Until very recently, photomicrographs were expensive to reproduce. Furthermore, in many cases, a clear illustration of the structure that the microscopist wished to document was much easier to produce ...