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  2. List of free and open-source Android applications - Wikipedia

    en.wikipedia.org/wiki/List_of_free_and_open...

    Android phones, like this Nexus S running Replicant, allow installation of apps from the Play Store, F-Droid store or directly via APK files. This is a list of notable applications ( apps ) that run on the Android platform which meet guidelines for free software and open-source software .

  3. Video projector - Wikipedia

    en.wikipedia.org/wiki/Video_projector

    A video projector is an image projector that receives a video signal and projects the corresponding image onto a projection screen using a lens system. Video projectors use a very bright ultra-high-performance lamp (a special mercury arc lamp ), Xenon arc lamp , metal halide lamp , LED or solid state blue, RB, RGB or fiber-optic lasers to ...

  4. Projector - Wikipedia

    en.wikipedia.org/wiki/Projector

    These earlier types of projectors were mostly replaced with digital video projectors throughout the 1990s and early 2000s, [1] but old analog projectors are still used at some places. The newest types of projectors are handheld projectors that use lasers or LEDs to project images. Movie theaters used a type of projector called a movie projector ...

  5. Handheld projector - Wikipedia

    en.wikipedia.org/wiki/Handheld_projector

    Handheld projectors, in particular projector phones, could offer new possibilities for mobile gaming, as demonstrated by the adaptation of the PlayStation 3 game LittleBigPlanet. Players can sketch a world on a sheet of paper or use an existing physical configuration of objects and let the physics engine simulate physical procedures in this ...

  6. Mechanically powered flashlight - Wikipedia

    en.wikipedia.org/.../Mechanically_powered_flashlight

    A dyno torch, dynamo torch, or squeeze flashlight is a flashlight or pocket torch which generates energy via a flywheel. The user repeatedly squeezes a handle to spin a flywheel inside the flashlight, attached to a small generator/dynamo, supplying electric current to an incandescent bulb or light-emitting diode. The flashlight must be pumped ...

  7. The best Walmart Holiday Deals in tech and electronics: Score ...

    www.aol.com/lifestyle/the-best-walmart-holiday...

    Access your fave subscription streaming services or check out one of the many totally free services on offer, like Tubi. ... get a versatile portable projector for under $100, much less just $90 ...

  8. Adobe Flash Player - Wikipedia

    en.wikipedia.org/wiki/Adobe_Flash_Player

    Flash Video is only a container format and supports multiple different video codecs, such as Sorenson Spark, VP6, and more recently H.264. [29] Flash Player uses hardware acceleration to display video where present, using technologies such as DirectX Video Acceleration and OpenGL to do so. Flash Video is used by YouTube, [30] Hulu, [31] Yahoo!

  9. Flashlight - Wikipedia

    en.wikipedia.org/wiki/Flashlight

    A flashlight or electric torch (Commonwealth English), usually shortened to torch, is a portable hand-held electric lamp. Formerly, the light source typically was a miniature incandescent light bulb , but these have been displaced by light-emitting diodes (LEDs) since the early 2000s.