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  2. Free video - Wikipedia

    en.wikipedia.org/wiki/Free_video

    Free video is used extensively on Wikipedia, and is also the exclusive type of video content stored on the Wikimedia Commons. While Wikipedia allows for the uploading of fair use video (only in Ogg Theora format), the Wikimedia Commons strictly forbids the uploading of fair use video or any video containing depiction of symbols or other content that is prior licensed under a proprietary license.

  3. Free viewpoint television - Wikipedia

    en.wikipedia.org/wiki/Free_viewpoint_television

    Free viewpoint television (FTV) is a system for viewing natural video, allowing the user to interactively control the viewpoint and generate new views of a dynamic scene from any 3D position. [1] The equivalent system for computer-simulated video is known as virtual reality. With FTV, the focus of attention can be controlled by the viewers ...

  4. 1080p - Wikipedia

    en.wikipedia.org/wiki/1080p

    The full-color image shows 1080 resolution. 1080p (1920 × 1080 progressively displayed pixels; also known as Full HD or FHD, and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vertically; [1] the p stands for progressive scan, i.e. non ...

  5. High-definition video - Wikipedia

    en.wikipedia.org/wiki/High-definition_video

    High-definition video (HD video) is video of higher resolution and quality than standard-definition. While there is no standardized meaning for high-definition , generally any video image with considerably more than 480 vertical scan lines (North America) or 576 vertical lines (Europe) is considered high-definition.

  6. List of educational video websites - Wikipedia

    en.wikipedia.org/wiki/List_of_educational_video...

    Free ? Crash Course (YouTube) Do Lectures: Multidisciplinary Videos of live talks and lectures. Free Creative Commons Attribution–NonCommercial–NonDerivative: YouTube: EdX: Multidisciplinary Educational courses with lectures, quizzes and exams provided by universities for free. Free/Paid ? EdX: FORA.tv: Multidisciplinary Academic videos ...

  7. Low-level laser therapy - Wikipedia

    en.wikipedia.org/wiki/Low-level_laser_therapy

    In 2017, the owner of QLaser, Robert Lytle, and two of QLaser's distributors were charged with a criminal conspiracy to commit fraud. Lytle pleaded guilty to one count of conspiracy to introduce misbranded medical devices into interstate commerce with the intent to defraud and mislead, and one count of criminal contempt in January 2018.

  8. Laser - Wikipedia

    en.wikipedia.org/wiki/Laser

    The free-electron laser FELIX at the FOM Institute for Plasma Physics Rijnhuizen, Nieuwegein. Free-electron lasers (FEL) generate coherent, high-power radiation that is widely tunable, currently ranging in wavelength from microwaves through terahertz radiation and infrared to the visible spectrum, to soft X-rays. They have the widest frequency ...

  9. Video on demand - Wikipedia

    en.wikipedia.org/wiki/Video_on_demand

    Video on demand (VOD) is a media distribution system that allows users to access videos, television shows and films digitally on request. These multimedia are accessed without a traditional video playback device and a typical static broadcasting schedule, which was popular under traditional broadcast programming, instead involving newer modes of content consumption that have risen as Internet ...