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  2. Bonferroni correction - Wikipedia

    en.wikipedia.org/wiki/Bonferroni_correction

    The Bonferroni correction compensates for that increase by testing each individual hypothesis at a significance level of , where is the desired overall alpha level and is the number of hypotheses. [4] For example, if a trial is testing hypotheses with a desired overall , then the Bonferroni correction would test each individual hypothesis at .

  3. Prism (optics) - Wikipedia

    en.wikipedia.org/wiki/Prism_(optics)

    Prism (optics) An optical prism is a transparent optical element with flat, polished surfaces that are designed to refract light. At least one surface must be angled — elements with two parallel surfaces are not prisms. The most familiar type of optical prism is the triangular prism, which has a triangular base and rectangular sides.

  4. Binoculars - Wikipedia

    en.wikipedia.org/wiki/Binoculars

    Porro prism designs have the added benefit of folding the optical path so that the physical length of the binoculars is less than the focal length of the objective. Porro prism binoculars were made in such a way to erect an image in a relatively small space, thus binoculars using prisms started in this way.

  5. Talk:Prism correction - Wikipedia

    en.wikipedia.org/wiki/Talk:Prism_correction

    2. How about an illustration to visually explain what it meant by the "prism dioptres" section? 3. Can prismatic lenses be included with bifocals, progressive lenses, polarizing, tinting, Crizol lenses, etc? 4. Hillary Rodham Clinton used prismatic lenses temporarily after her concussion, although her article doesn't mention that. What other ...

  6. Roof prism - Wikipedia

    en.wikipedia.org/wiki/Roof_prism

    Roof prism. A roof pentaprism used in Single-lens reflex cameras; the lower right face is the roof ( dach ). A roof prism, also called a Dachkanten prism or Dach prism (from German: Dachkante, lit. "roof edge"), is a reflective prism containing a section where two faces meet at a 90° angle, resembling the roof of a building and thus the name.

  7. Strategic geography - Wikipedia

    en.wikipedia.org/wiki/Strategic_geography

    Strategic geography. Strategic geography is concerned with the control of, or access to, spatial areas that affect the security and prosperity of nations. Spatial areas that concern strategic geography change with human needs and development. This field is a subset of human geography, itself a subset of the more general study of geography.

  8. Geography of Nepal - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Nepal

    Longest river. Karnali. Largest lake. Rara Lake. Nepal measures about 880 kilometers (547 mi) along its Himalayan axis by 150 to 250 kilometers (93 to 155 mi) across. It has an area of 147,516 km 2 (56,956 sq mi). [1] Nepal is landlocked by China 's Tibet Autonomous Region to the north and India on other three sides.

  9. Prism cover test - Wikipedia

    en.wikipedia.org/wiki/Prism_Cover_Test

    The prism cover test ( PCT) is an objective measurement and the gold standard in measuring strabismus, i.e. ocular misalignment, or a deviation of the eye. [1] It is used by ophthalmologists and orthoptists in order to measure the vertical and horizontal deviation and includes both manifest and latent components. [1]