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  2. Pentagrammic prism - Wikipedia

    en.wikipedia.org/wiki/Pentagrammic_prism

    Pentagrammic prism. In geometry, the pentagrammic prism is one of an infinite set of nonconvex prisms formed by square sides and two regular star polygon caps, in this case two pentagrams . It is a special case of a right prism with a pentagram as base, which in general has rectangular non-base faces. Topologically it is the same as a convex ...

  3. Massachusetts Correctional Institution – Cedar Junction

    en.wikipedia.org/wiki/Massachusetts_Correctional...

    The Massachusetts Department of Correction (DOC) estimates the cost to repair the infrastructure of Cedar Junction at 30 million dollars; the DOC plans to move the money towards delivering effective care and services for the people under their supervision. The process of closing the prison is split into three main phases.

  4. Pressure prism - Wikipedia

    en.wikipedia.org/wiki/Pressure_prism

    Pressure prism. A pressure prism is a way of visually describing the variation of hydrostatic pressure within a volume of fluid. When variables of fluid density, depth, gravity, and other forces such as atmospheric pressure are charted, the resulting figure somewhat resembles a prism .

  5. 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 ...

  6. Deck prism - Wikipedia

    en.wikipedia.org/wiki/Deck_prism

    Deck prism. A deck prism, or bullseye, is a prism inserted into the deck of a ship to provide light down below. [1] [2] [3] For centuries, sailing ships used deck prisms to provide a safe source of natural sunlight to illuminate areas below decks. Before electricity, light below a vessel's deck was provided by candles, oil and kerosene lamps ...

  7. Pterodactyl Ascender - Wikipedia

    en.wikipedia.org/wiki/Pterodactyl_Ascender

    Pterodactyl Ascender. An Ascender II+2 two seater. The powerplant is a Rotax 503 50 hp (37 kW) two stroke. Fly camping with a DFE Ascender III-C two seater. DFE Ascender III-C in front of its hangar. The aircraft in the background is a Quad City Challenger II. The Pterodactyl Ascender is a family of U.S. designed and built ultralight aircraft ...

  8. Atmospheric correction - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_correction

    Atmospheric correction is the process of removing the scattering and absorption effects of the atmosphere on the reflectance values of images taken by satellite or airborne sensors. [1] [2] Atmospheric effects in optical remote sensing are significant and complex, dramatically altering the spectral nature of the radiation reaching the remote ...

  9. Prism (Prism album) - Wikipedia

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

    Prism is the debut album by Canadian rock band Prism, [2] released in May 1977 on the Canadian record label GRT. It was produced primarily by Bruce Fairbairn, and the majority of songs were written by Jim Vallance (who also served as co-producer on three tracks). [3] It achieved platinum status in Canada (in excess of 100,000 units sold). [4]