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  2. Time base correction - Wikipedia

    en.wikipedia.org/wiki/Time_base_correction

    Time base correction (TBC) is a technique to reduce or eliminate errors caused by mechanical instability present in analog recordings on mechanical media. Without time base correction, a signal from a videotape recorder (VTR) or videocassette recorder (VCR), cannot be mixed with other, more time-stable devices found in television studios and ...

  3. Abbe–Koenig prism - Wikipedia

    en.wikipedia.org/wiki/Abbe–Koenig_prism

    An Abbe–Koenig prism is a type of reflecting prism, used to invert an image (rotate it by 180°). They are commonly used in binoculars and some telescopes for this purpose. The prism is named after Ernst Abbe and Albert Koenig . The prism is made from two glass prisms, which are optically cemented together to form a symmetric, shallow Vee ...

  4. Šidák correction for t-test - Wikipedia

    en.wikipedia.org/wiki/Šidák_correction_for_t-test

    Šidák correction for t-test. 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.

  5. Farsightedness - Wikipedia

    en.wikipedia.org/wiki/Farsightedness

    The signs and symptoms of far-sightedness include blurry vision, frontal or fronto temporal headaches, eye strain, tiredness of eyes etc. [2] The common symptom is eye strain. Difficulty seeing with both eyes ( binocular vision) may occur, as well as difficulty with depth perception. [1] The asthenopic symptoms and near blur are usually seen ...

  6. Horror fusionis - Wikipedia

    en.wikipedia.org/wiki/Horror_fusionis

    Ophthalmology. In ophthalmology, horror fusionis is a condition in which the eyes have an unsteady deviation, with the extraocular muscles performing spasm-like movements that continuously shift the eyes away from the position in which they would be directed to the same point in space, giving rise to diplopia. Even when the double vision images ...

  7. 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.

  8. War of Jenkins' Ear - Wikipedia

    en.wikipedia.org/wiki/War_of_Jenkins'_Ear

    The War of Jenkins' Ear ( Spanish: Guerra del Asiento, lit. 'War of the Agreement') was a conflict lasting from 1739 to 1748 between Britain and Spain. The majority of the fighting took place in New Granada and the Caribbean Sea, with major operations largely ended by 1742. It was related to the 1740 to 1748 War of the Austrian Succession.

  9. Disturbing video shows hundreds of maggots removed from man's ear

    www.aol.com/news/2014-11-18-disturbing-video...

    By RYAN GORMAN Horrifying video has emerged of doctors pulling maggots out of a man's ear. The unidentified Indian man went to a doctor's office to complain about hearing a non-stop buzzing sound.