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  2. Polycarbonate - Wikipedia

    en.wikipedia.org/wiki/Polycarbonate

    Polycarbonate is commonly used in eye protection, as well as in other projectile-resistant viewing and lighting applications that would normally indicate the use of glass, but require much higher impact-resistance. Polycarbonate lenses also protect the eye from UV light.

  3. File:XKeyscore presentation from 2008.pdf - Wikipedia

    en.wikipedia.org/wiki/File:XKeyscore...

    The following other wikis use this file: Usage on de.wikipedia.org Benutzer:Atlasowa/Internet world; Edward Snowden; XKeyscore; Selektor (Geheimdienstabfrage)

  4. Percy Ludgate - Wikipedia

    en.wikipedia.org/wiki/Percy_Ludgate

    Percy Edwin Ludgate (2 August 1883 – 16 October 1922) was an Irish amateur scientist who designed the second analytical engine (general-purpose Turing-complete computer) in history. [ 1 ] [ 2 ] Life

  5. Quadruple glazing - Wikipedia

    en.wikipedia.org/wiki/Quadruple_glazing

    It has also been shown [3] that the heating demand might be decreased to nearly zero for glazed buildings with system U-values as low as 0.3 W/(m 2 K). Theoretically, in the summer, the remaining cooling demand could be satisfied by photovoltaic generation alone, with the greatest need for cooling nearly coinciding with the strongest sunlight ...

  6. X Window System protocols and architecture - Wikipedia

    en.wikipedia.org/wiki/X_Window_System_protocols...

    The X server acts as a go-between for the user and the client programs, accepting requests on TCP port 6000 plus the display number [1] for graphical output (windows) from the client programs and displaying them to the user (display), and receiving user input (keyboard, mouse) and transmitting it to the client programs.

  7. X Window System core protocol - Wikipedia

    en.wikipedia.org/wiki/X_Window_System_core_protocol

    A part of the X colour system is the X Color Management System (xcms). This system was introduced with X11R6 Release 5 in 1991. This system consists of several additional features in xlib, found in the Xcms* series of functions. This system defines device independent color schemes which can be converted into device dependent RGB systems.

  8. X Window authorization - Wikipedia

    en.wikipedia.org/wiki/X_Window_authorization

    In the X Window System, programs run as X clients, and as such they connect to the X display server, possibly via a computer network. Since the network may be accessible to other users , a method for forbidding access to programs run by users different from the one who is logged in is necessary.

  9. Keyboard technology - Wikipedia

    en.wikipedia.org/wiki/Keyboard_technology

    The majority of modern keyboards include a control processor and indicator lights to provide feedback to the user (and to the central processor) about what state the keyboard is in. Plug-and-play technology means that its "out of the box" layout can be notified to the system, making the keyboard immediately ready to use without the need for ...