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A PNG file contains a single image in an extensible structure of chunks, encoding the basic pixels and other information such as textual comments and integrity checks documented in RFC 2083. [ 7 ] PNG files have the ".png" file extension and the "image/png" MIME media type. [ 8 ] PNG was published as an informational RFC 2083 in March 1997 and ...
Image:Map of USA.png – United States with outlines for individual states. Image:Map of USA-bw.png – Black and white outlines for states, for the purposes of easy coloring of states. Image:BlankMap-USA-states.PNG – US states, grey and white style similar to Vardion's world maps.
Black is the color produced by the absorption of all wavelengths of visible light, or an exhaustive combination of multiple colors of pigment. Vantablack was the blackest substance known until 2019. 42 10. In physics, a black body is a perfect absorber of light, but, by a thermodynamic rule, it is also the best emitter.
The Black Sun symbol. The Black Sun (German: Schwarze Sonne) is a type of sun wheel (German: Sonnenrad) [1][2] symbol originating in Nazi Germany and later employed by neo-Nazis and other far-right individuals and groups. The symbol's design consists of twelve radial sig runes, similar to the symbols employed by the SS in their logo.
Transparency (graphic) GIF animation of an Apollonian sphere packing with transparent background. Transparency in computer graphics is possible in a number of file formats. The term "transparency" is used in various ways by different people, but at its simplest there is "full transparency" i.e. something that is completely invisible.
History of Papua New Guinea. The prehistory of Papua New Guinea can be traced to about 50,000–60,000 years ago, when people first migrated towards the Australian continent. The written history began when European navigators first sighted New Guinea in the early part of the 17th century.
Sometimes, you find a drawing or similar image useful for a Wikipedia article, that was saved as a JPEG but should have been saved as a PNG.JPEG is good for images where the color changes fluidly throughout the image, like in a photograph, whereas PNG files are good for images with relatively few colors, such as a drawing of a flag, a chart, or a map; note that sometimes SVG is better.
v. t. e. In digital photography, computer-generated imagery, and colorimetry, a greyscale (more common in Commonwealth English) or grayscale (more common in American English) image is one in which the value of each pixel is a single sample representing only an amount of light; that is, it carries only intensity information. Grayscale images, a ...