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  2. V/H/S (franchise) - Wikipedia

    en.wikipedia.org/wiki/V/H/S_(franchise)

    V/H/S is an American horror anthology franchise that includes six found footage films, two spin-off films, and one miniseries. Created from an original story idea by Brad Miska , the plot centers around a number of disturbing VHS tapes that are discovered by innocent viewers and the possessive influence of the videos over those who see them.

  3. H-IIA - Wikipedia

    en.wikipedia.org/wiki/H-IIA

    H-IIA (H-2A) is an active expendable launch system operated by Mitsubishi Heavy Industries (MHI) for the Japan Aerospace Exploration Agency. These liquid fuel rockets have been used to launch satellites into geostationary orbit ; lunar orbiting spacecraft; Akatsuki , which studied the planet Venus; and the Emirates Mars Mission , which was ...

  4. Rhombohedron - Wikipedia

    en.wikipedia.org/wiki/Rhombohedron

    Properties. convex, equilateral, zonohedron, parallelohedron. In geometry, a rhombohedron (also called a rhombic hexahedron [1] or, inaccurately, a rhomboid) is a three-dimensional figure with six faces which are rhombi. It is a special case of a parallelepiped where all edges are the same length.

  5. Amici roof prism - Wikipedia

    en.wikipedia.org/wiki/Amici_roof_prism

    An Amici roof prism. An Amici roof prism, named for its inventor, the Italian astronomer Giovanni Battista Amici, is a type of reflecting prism used to deviate a beam of light by 90° while simultaneously inverting the image. It is commonly used in the eyepieces of telescopes as an image erecting system. It is sometimes called an Amici prism or ...

  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. Cartesian product of graphs - Wikipedia

    en.wikipedia.org/wiki/Cartesian_product_of_graphs

    The Cartesian product of two edges is a cycle on four vertices: K 2 K 2 = C 4. The Cartesian product of K 2 and a path graph is a ladder graph. The Cartesian product of two path graphs is a grid graph. ( K 2 ) n = Q n . {\displaystyle (K_ {2})^ {\square n}=Q_ {n}.} Thus, the Cartesian product of two hypercube graphs is another hypercube: Q i Q ...

  8. Total internal reflection fluorescence microscope - Wikipedia

    en.wikipedia.org/wiki/Total_internal_reflection...

    The first is the prism method which uses a prism to direct the laser toward the interface between the coverglass and the media/cells at an incident angle sufficient to cause total internal reflection. This configuration has been applied to cellular microscopy for over 30 years but has never become a mainstream tool due to several limitations.

  9. Hirschberg test - Wikipedia

    en.wikipedia.org/wiki/Hirschberg_test

    Purpose. whether a person has strabismus. In the fields of optometry and ophthalmology, the Hirschberg test, also Hirschberg corneal reflex test, is a screening test that can be used to assess whether a person has strabismus (ocular misalignment). A photographic version of the Hirschberg is used to quantify strabismus. [1]