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  2. Offutt Air Force Base - Wikipedia

    en.wikipedia.org/wiki/Offutt_Air_Force_Base

    Offutt Air Force Base / ˈ ɒ f ʌ t / (IATA: OFF, ICAO: KOFF, FAA LID: OFF) is a U.S. Air Force base south of Omaha, adjacent to Bellevue in Sarpy County, Nebraska.It is the headquarters of the U.S. Strategic Command (USSTRATCOM), the 557th Weather Wing, and the 55th Wing (55 WG) of the Air Combat Command (ACC), the latter serving as the host unit.

  3. Dispersive prism - Wikipedia

    en.wikipedia.org/wiki/Dispersive_prism

    Photograph of a triangular prism, dispersing light Lamps as seen through a prism. In optics, a dispersive prism is an optical prism that is used to disperse light, that is, to separate light into its spectral components (the colors of the rainbow). Different wavelengths (colors) of light will be deflected by the prism at different angles. [1]

  4. Base (topology) - Wikipedia

    en.wikipedia.org/wiki/Base_(topology)

    In mathematics, a base (or basis; pl.: bases) for the topology τ of a topological space (X, τ) is a family of open subsets of X such that every open set of the topology is equal to the union of some sub-family of .

  5. Complex-base system - Wikipedia

    en.wikipedia.org/wiki/Complex-base_system

    In arithmetic, a complex-base system is a positional numeral system whose radix is an imaginary (proposed by Donald Knuth in 1955 [1] [2]) or complex number (proposed by S. Khmelnik in 1964 [3] and Walter F. Penney in 1965 [4] [5] [6]).

  6. Prism (Katy Perry album) - Wikipedia

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

    Prism is the fourth studio album by American singer Katy Perry. It was released by Capitol Records on October 18, 2013. While the album was initially planned to be "darker" than her previous material, Prism ultimately became a prominently dance-inspired record. Perry worked with several past collaborators, while enlisting new producers and ...

  7. Nine-volt battery - Wikipedia

    en.wikipedia.org/wiki/Nine-volt_battery

    PP (power pack) battery family from left to right: PP1, PP3, PP4, PP6, PP7, PP8, PP9, PP10, PP11. Historically, the now-popular PP3 battery size was a member of the power pack (PP) battery family that was originally manufactured by Ever Ready in the United Kingdom and Eveready in the United States.

  8. Deck prism - Wikipedia

    en.wikipedia.org/wiki/Deck_prism

    The deck prism laid flush into the deck, the glass prism refracted and dispersed natural light into the space below from a small deck opening without weakening the planks or becoming a fire hazard. In normal usage, the prism hangs below the overhead and disperses the light sideways; the top is flat and installed flush with the deck, becoming ...

  9. PRISM - Wikipedia

    en.wikipedia.org/wiki/PRISM

    After finding out about the PRISM program, the Mexican Government has started constructing its own spying program to spy on its own citizens. According to Jenaro Villamil, a writer from Proceso , CISEN , Mexico's intelligence agency has started to work with IBM and Hewlett Packard to develop its own data gathering software.