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2. Black Widow (paint mix) - Wikipedia

   en.wikipedia.org/wiki/Black_Widow_(paint_mix)

   Black Widow (also known as a Black Widow Ultra in Europe) is a non-commercial open source project to design a paint mix for the base of a DIY projection screen.Anonymous DIYers responsible for popularizing Black Widow in the DIY community include Mechman Alternators (US), Wbassett (US) and Custard10 (EU). [1]

3. Projection screen - Wikipedia

   en.wikipedia.org/wiki/Projection_screen

   Projection screens may be permanently installed on a wall, as in a movie theater, mounted to or placed in a ceiling using a rollable projection surface that retracts into a casing (these can be motorized or manually operated), painted on a wall, [1] or portable with tripod or floor rising models as in a conference room or other non-dedicated ...

4. Draper Laboratory - Wikipedia

   en.wikipedia.org/wiki/Draper_Laboratory

   Draper Laboratory is an American non-profit research and development organization, headquartered in Cambridge, Massachusetts; its official name is The Charles Stark Draper Laboratory, Inc. [6] The laboratory specializes in the design, development, and deployment of advanced technology solutions to problems in national security, space ...

5. Rear-projection television - Wikipedia

   en.wikipedia.org/wiki/Rear-projection_television

   A projection television uses a projector to create a small image or video from a video signal and magnify this image onto a viewable screen. The projector uses a bright beam of light and a lens system to project the image to a much larger size. A front-projection television uses a projector that is separate from the screen and the projector is ...

6. LCD projector - Wikipedia

   en.wikipedia.org/wiki/LCD_projector

   A projector's throw ratio is used when installing projectors to control the size of the projected display. [1] For example, if the throw ratio is 2:1 and the projector is fourteen feet away from the screen, then the display width will be seven feet.

7. List of largest video screens - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_video_screens

   X24 Video projectors Traditional BattleKart / Seiko Epson [31] [32] 24 Harmon Corner: Paradise, Nevada United States: 2012 1,706 18,360 93 by 18 306 by 60 7,360 × 1,440 pixels 10.60 12 mm pixel Pitch SMD (Surface Mount Diode) Traditional Prismview [33] [34] 25 Taipei Arena Sky Screen: Taipei Taiwan: 2006 1,693.8 18,232 105 by 16 344 by 53