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  2. Precision approach path indicator - Wikipedia

    en.wikipedia.org/wiki/Precision_Approach_Path...

    Comparison of PAPI, VASI, and OLS meatball and datum lights (not to scale) The ratio of white to red lights seen is dependent on the angle of approach to the runway. Above the designated glide slope a pilot will see more white lights than red; below the ideal angle more red lights than white will be seen. At the optimum approach angle the ratio ...

  3. Deck the halls with customizable, smart Christmas lights ...

    www.aol.com/deck-halls-customizable-smart...

    Affordable smart TV: Insignia 32-inch Class F20 Series Smart HD 720p Fire TV Top streaming device: Amazon Fire TV 4K Streaming Stick Best gaming headset: SteelSeries Arctis Pro High Fidelity ...

  4. Optical landing system - Wikipedia

    en.wikipedia.org/wiki/Optical_landing_system

    Wave-off lights – red flashing lamps which, when lit, indicate that the pilot must add full power and go around – a mandatory command. When the wave-off lights are lit, all other lamps are extinguished. The wave-off lights are operated manually by the LSO. Some (particularly later) optical landing systems include additional lamps:

  5. List of Google Easter eggs - Wikipedia

    en.wikipedia.org/wiki/List_of_Google_Easter_eggs

    "meteor shower" will dim the screen and have a group of three meteors pass through it diagonally before returning to normal. "minecraft" and similar terms adds a grass block button that when pressed shows Steve’s hand in the corner. Clicking on parts of the screen has the hand mine away that section, revealing a small Minecraft area. Steve ...

  6. Digital light processing - Wikipedia

    en.wikipedia.org/wiki/Digital_Light_Processing

    Light from the lamp enters a reverse-fisheye, passes through the spinning color wheel, crosses underneath the main lens, reflects off a front-surfaced mirror, and is spread onto the DMD (red arrows). From there, light either enters the lens (yellow) or is reflected off the top cover down into a light-sink (blue arrows) to absorb unneeded light.

  7. Backlight - Wikipedia

    en.wikipedia.org/wiki/Backlight

    Views of a liquid-crystal display, both with electroluminescent backlight switched on (top) and switched off (bottom). A backlight is a form of illumination used in liquid-crystal displays (LCDs) that provides illumination from the back or side of a display panel.

  8. Runway edge lights - Wikipedia

    en.wikipedia.org/wiki/Runway_edge_lights

    The majority of runway edge lights are clear or white, [2] but there are some exceptions to provide additional information to pilots in certain circumstances. When an instrument runway lighting is designed, the last 600 metres (2,000 ft), or one-half of the runway length available (whichever is less), are bi-directional.

  9. List of retronyms - Wikipedia

    en.wikipedia.org/wiki/List_of_retronyms

    Minecraft: Java Edition The original release of the game, on Microsoft Windows, was simply known as Minecraft prior to the release of Minecraft: Windows 10 Edition. In addition, other versions of the video game on Microsoft Windows are Minecraft Classic, Minecraft 4k, and Minecraft: Education Edition. Monaural sound, monophonic sound or mono sound