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PRISM is a code name for a program under which the ... "The problem is not just what the National Security Agency is gathering at the risk of our privacy but what it ...
The cause of congenital fourth nerve palsy is unclear in most cases. It may be neurogenic in origin, due to a dysgenesis of the CN IV nucleus or nerve, but a clinically similar palsy may result from absence or mechanical dysfunction (e.g., abnormal laxity) of the superior oblique tendon.
The second prism is a 90° reflection and shouldn't need a mirroring coating. In order to achieve a complete reversal of the image, a roof edge is ground into the third prism (green). Furthermore, the beam leaves the inversion system without any axial offset, which is why the Uppendahl prism is counted among the straight-vision roof prisms.
The Stanford prison experiment (SPE) was a psychological experiment performed during August 1971.It was a two-week simulation of a prison environment that examined the effects of situational variables on participants' reactions and behaviors.
The two periscopes differ in the way they erect the image. The left one uses an erecting prism whereas the right uses an erecting lens and a second image plane. a Objective lens b Field lens c Image erecting lens d Ocular lens e Lens of the observer's eye f Right-angled prism g Image-erecting prism
PRISM: a clandestine surveillance program under which the NSA collects user data from companies like Microsoft, Google, Apple, Yahoo, Facebook and YouTube On June 5, 2013, media reports documenting the existence and functions of classified surveillance programs and their scope began and continued throughout the entire year.
Stereoscopy creates the illusion of three-dimensional depth from a pair of two-dimensional images. [5] Human vision, including the perception of depth, is a complex process, which only begins with the acquisition of visual information taken in through the eyes; much processing ensues within the brain, as it strives to make sense of the raw information.
The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...