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Blotter art emphasizes psychedelic themes, [6] frequently incorporating repeating patterns in its designs, such as fractal, paisley, moiré, or kaleidoscopic patterns. [4] While early blotter art designs could be simple repetitions of a smiley face or a single word such as PURE [ 1 ] or YES, [ 7 ] the subject matter soon veered toward the ...
The following other wikis use this file: Usage on de.wikipedia.org Acid-Tests; Usage on pt.wikipedia.org Acid Tests; Usage on ru.wikipedia.org Портал:Психоактивные вещества
Concert posters, album covers, liquid light shows, liquid light art, murals, comic books, underground newspapers and more reflected not only the kaleidoscopically swirling colour patterns typical of psychedelic hallucinations, but also revolutionary political, social and spiritual sentiments inspired by insights derived from these psychedelic ...
This Halloween 2024, use these printable pumpkin stencils and free, easy carving patterns for the scariest, silliest, most unique, and cutest jack-o’-lanterns.
The most straightforward way to remove the halftone patterns is the application of a low-pass filter either in spatial or frequency domain. A simple example is a Gaussian filter. It discards the high-frequency information which blurs the image and simultaneously reduces the halftone pattern.
Field of view ~2.5 cm across. This is a cut, polished, nitric acid-etched surface. Ataxites (from Greek meaning "without structure") are a structural class of iron meteorites with a high nickel content and show no Widmanstätten patterns upon etching.
The logo of acid-free paper – a type of paper used for preservation: Date: 3 February 2014: Source: Image:Acid-free_paper.png: Author: GAllegre: Permission (Reusing this file) Public-domain original: Other versions: Image:Acid-free_paper.png, Perennial symbol.svg: SVG development
Some colours are printed on pure bleached cloth, but all patterns containing alizarin red, rose and salmon shades are considerably brightened by the presence of oil, and indeed very few, if any, colours are detrimentally affected by it. [6] The cloth is always brushed to free it from loose nap, flocks and dust that it picks up whilst stored.