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  2. PRISM - Wikipedia

    en.wikipedia.org/wiki/PRISM

    PRISM is a code name for a program under which the United States National Security Agency (NSA) collects internet communications from various U.S. internet companies. [ 1][ 2][ 3] The program is also known by the SIGAD US-984XN. [ 4][ 5] PRISM collects stored internet communications based on demands made to internet companies such as Google LLC ...

  3. Camera lucida - Wikipedia

    en.wikipedia.org/wiki/Camera_lucida

    Camera lucida. A camera lucida is an optical device used as a drawing aid by artists and microscopists . The camera lucida projects an optical superimposition of the subject being viewed, onto the surface upon which the artist is drawing. The artist sees both scene and drawing surface simultaneously, as in a photographic double exposure.

  4. Telescopic sight - Wikipedia

    en.wikipedia.org/wiki/Telescopic_sight

    A telescopic sight, commonly called a scope informally, is an optical sighting device based on a refracting telescope. [ 1] It is equipped with some form of a referencing pattern – known as a reticle – mounted in a focally appropriate position in its optical system to provide an accurate point of aim.

  5. Aberrations of the eye - Wikipedia

    en.wikipedia.org/wiki/Aberrations_of_the_eye

    Aberrations of the eye. The eye, like any other optical system, suffers from a number of specific optical aberrations. The optical quality of the eye is limited by optical aberrations, diffraction and scatter. [1] Correction of spherocylindrical refractive errors has been possible for nearly two centuries following Airy's development of methods ...

  6. TheReportOfTheWeek - Wikipedia

    en.wikipedia.org/wiki/TheReportOfTheWeek

    TheReportOfTheWeek. John Jurasek (born 1997 or 1998), [ 2] better known online as Reviewbrah, is an American YouTube personality, food critic and radio host. Jurasek reviews fast food, frozen meals, and energy drinks on his YouTube channel TheReportOfTheWeek, and hosts a radio show on shortwave radio, Spotify, TuneIn, and SoundCloud .

  7. Google Glass - Wikipedia

    en.wikipedia.org/wiki/Google_Glass

    Website. google .com /glass. Google Glass, or simply Glass, is a brand of smart glasses developed and sold by Google. It was developed by X (previously Google X), [ 9] with the mission of producing a ubiquitous computer. [ 1] Google Glass displays information to the wearer using a head-up display. [ 10]

  8. Prism (optics) - Wikipedia

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

    Prism (optics) A familiar dispersive prism. 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 ...

  9. Optical prism - Wikipedia

    en.wikipedia.org/?title=Optical_prism&redirect=no

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