City Pedia Web Search

Search results

1. Results From The WOW.Com Content Network

2. Album cover - Wikipedia

   en.wikipedia.org/wiki/Album_cover

   An album cover (also referred to as album art) is the front packaging art of a commercially released studio album or other audio recordings. The term can refer to: the printed paperboard covers typically used to package: sets of 10 in (25 cm) and 12 in (30 cm) 78 rpm records. singles and sets of 12 in (30 cm) long-play records.

3. Circle of confusion - Wikipedia

   en.wikipedia.org/wiki/Circle_of_confusion

   At the ordinary distance of vision, of from twelve to fifteen inches, circles of confusion are seen as points, if the angle subtended by them does not exceed one minute of arc, or roughly, if they do not exceed the 1/100 of an inch in diameter. Numerically, 1/100 inch at 12–15 inches is closer to two minutes of arc.

4. Sirius - Wikipedia

   en.wikipedia.org/wiki/Sirius

   An apparent "third star" observed in the 1920s is now believed to be a background object. [52] In 1915, Walter Sydney Adams, using a 60-inch (1.5 m) reflector at Mount Wilson Observatory, observed the spectrum of Sirius B and determined that it was a faint whitish star. [53]

5. Ballistic Missile Early Warning System - Wikipedia

   en.wikipedia.org/wiki/Ballistic_Missile_Early...

   The Ballistic Missile Early Warning System (BMEWS) was a radar system built by the United States (with the cooperation of Canada and Denmark on whose territory some of the radars were sited) during the Cold War to give early warning of a Soviet intercontinental ballistic missile (ICBM) nuclear strike, to allow time for US bombers to get off the ground and land-based US ICBMs to be launched, to ...

6. Flag of Mexico - Wikipedia

   en.wikipedia.org/wiki/Flag_of_Mexico

   Flag of Mexico. A vertical tricolor of green, white and red, with the National Coat of Arms centered on the white band. A diagonal tricolor of white, green, red, with a thin anchor in the center. Three eight-pointed gold stars are in the canton, and the bottom two corners.

7. Compass (drawing tool) - Wikipedia

   en.wikipedia.org/wiki/Compass_(drawing_tool)

   A compass, also commonly known as a pair of compasses, is a technical drawing instrument that can be used for inscribing circles or arcs. As dividers, it can also be used as a tool to mark out distances, in particular, on maps. Compasses can be used for mathematics, drafting, navigation and other purposes. Prior to computerization, compasses ...

8. Aperture - Wikipedia

   en.wikipedia.org/wiki/Aperture

   The photography term "one f-stop" refers to a factor of √ 2 (approx. 1.41) change in f-number which corresponds to a √ 2 change in aperture diameter, which in turn corresponds to a factor of 2 change in light intensity (by a factor 2 change in the aperture area). Aperture priority is a semi-automatic shooting mode used in cameras.

9. Adobe Photoshop - Wikipedia

   en.wikipedia.org/wiki/Adobe_Photoshop

   Adobe Photoshop is a raster graphics editor developed and published by Adobe for Windows and macOS. It was originally created in 1987 by Thomas and John Knoll. Since then, the software has become the most used tool for professional digital art, especially in raster graphics editing. Owing to its fame, the program's name has become genericised ...