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  2. PRISM - Wikipedia

    en.wikipedia.org/wiki/PRISM

    t. e. 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 ...

  3. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    Graphite flakes can cost around US$0.9/kg carbon. Price of synthetic industrial diamond for grinding and polishing can range from 1200 to 13 300 USD/kg, while cost per weight of large synthetic diamonds for industrial applications can be on the order of million dollars per kilogram. 7: N: Nitrogen: 0.0012506: 19 (5.263 × 10 17 kg) 0.140: 0.000 ...

  4. Precision Strike Missile - Wikipedia

    en.wikipedia.org/wiki/Precision_Strike_Missile

    in excess of 310 mi (500 km) Launch. platform. M270 MLRS, M142 HIMARS. The Precision Strike Missile ( PrSM) is a short-range ballistic missile developed by the United States Army to replace the MGM-140 ATACMS . On December 8, 2023, the US Army announced that the first PrSM batch has been delivered.

  5. Fresnel lens - Wikipedia

    en.wikipedia.org/wiki/Fresnel_lens

    A Fresnel lens ( / ˈfreɪnɛl, - nəl / FRAY-nel, -⁠nəl; / ˈfrɛnɛl, - əl / FREN-el, -⁠əl; or / freɪˈnɛl / fray-NEL [1]) is a type of composite compact lens which reduces the amount of material required compared to a conventional lens by dividing the lens into a set of concentric annular sections.

  6. Professional video camera - Wikipedia

    en.wikipedia.org/wiki/Professional_video_camera

    A professional video camera (often called a television camera even though its use has spread beyond television) is a high-end device for creating electronic moving images (as opposed to a movie camera, that earlier recorded the images on film ). Originally developed for use in television studios or with outside broadcast trucks, they are now ...

  7. Comparison of statistical packages - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_statistical...

    Comparison of computer algebra systems. Comparison of deep learning software. Comparison of numerical-analysis software. Comparison of survey software. Comparison of Gaussian process software. List of scientific journals in statistics. List of statistical packages.

  8. Nikon F2 - Wikipedia

    en.wikipedia.org/wiki/Nikon_F2

    Features. The Nikon F2 is an all-metal, mechanically-controlled (springs, gears, levers), manual focus SLR with manual exposure control. The camera itself needed no batteries, though the prism light meter did (and the motor drive if added). The F2 replaced the Nikon F, adding many new features (a faster 1/2000-second maximum shutter speed, a ...

  9. Princeton International School of Mathematics and Science

    en.wikipedia.org/wiki/Princeton_International...

    Annual tuition. $63,500 Boarding. $45,000 Day (2023-24) [3] Website. www.prismsus.org. [4] The Princeton International School of Mathematics and Science (PRISMS) is a coeducational, independent boarding and day school located in Princeton, New Jersey, United States that provides education to high school students in ninth through twelfth grades.

  10. Geo Prizm - Wikipedia

    en.wikipedia.org/wiki/Geo_Prizm

    Chevrolet Cobalt. The Geo Prizm and Chevrolet Prizm were compact cars that were rebadged versions of the Toyota Sprinter, a vehicle that the Japanese automaker Toyota never directly sold in the North American market. The Sprinter itself was derived from the Toyota Corolla. The Prizm was marketed under the Geo nameplate until it was discontinued ...

  11. Refractometer - Wikipedia

    en.wikipedia.org/wiki/Refractometer

    The refractometer is used to help identify gem materials by measuring their refractive index, one of the principal properties used in determining the type of a gemstone. Due to the dependence of the refractive index on the wavelength of the light used ( i.e. dispersion ), the measurement is normally taken at the wavelength of the sodium line D ...