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The screen-door effect (SDE) is a visual artifact of displays, where the fine lines separating pixels (or subpixels) become visible in the displayed image. This can be seen in digital projector images and regular displays under magnification or at close range, but the increases in display resolutions have made this much less significant.
4 Proposed merge of Beyond the Magic Door into The Magic Door
The Magic Door (also known as The Magic Door Television Theatre) was a Jewish educational television series, aimed at providing kiruv (outreach) to Jewish children in the Chicago metropolitan area but intended to appeal to all children in the 5-to-9-age group. [1] [2] The show was produced by the Chicago Board of Rabbis, and premiered January 1 ...
The door of a microwave oven has a screen built into the window. From the perspective of microwaves (with wavelengths of 12 cm) this screen finishes a Faraday cage formed by the oven's metal housing. Visible light, with wavelengths ranging between 400 nm and 700 nm, passes easily through the screen holes.
The principle behind an electromagnetic lock is the use of electromagnetism to lock a door when energized. The holding force should be collinear with the load, and the lock and armature plate should be face-to-face to achieve optimal operation. The magnetic lock relies upon some of the basic concepts of electromagnetism.
The Magic Door may refer to: The Magic Door (TV series), a Jewish educational television series in Chicago, U.S. The Magic Door (film), a 2007 British fantasy film;