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String art, created with thread and paper. A string art representing a projection of the 8-dimensional 4 21 polytope. Quadratic Béziers in string art: The end points (•) and control point (×) define the quadratic Bézier curve (⋯). The arc is a segment of a parabola. String art or pin and thread art, is characterized by an arrangement of ...
Scherenschnitte (German pronunciation: [ˈʃeːʁənˌʃnɪtə]), which means "scissor cuts" in German, is the art of paper cutting design. The artwork often has rotational symmetry within the design, and common forms include silhouettes, valentines, and love letters. The art tradition was founded in Switzerland and Germany in the 16th century ...
Snowflake Bentley received critical acclaim. Kirkus reviews says “This is a lyrical biographical tribute to a farmer…whose love of snow and careful camera work expanded both natural science and photography”, [ 2 ] and Horn book review says “The book exhibits a beautiful blend of Azarian’s splendid woodcuts, a lyrical text, and factual ...
L-system trees form realistic models of natural patterns. An L-system or Lindenmayer system is a parallel rewriting system and a type of formal grammar.An L-system consists of an alphabet of symbols that can be used to make strings, a collection of production rules that expand each symbol into some larger string of symbols, an initial "axiom" string from which to begin construction, and a ...
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Wilson Alwyn Bentley (February 9, 1865 – December 23, 1931), also known as Snowflake Bentley, was an American meteorologist and photographer, who was the first known person to take detailed photographs of snowflakes and record their features. [ 1 ] He perfected a process of catching flakes on black velvet in such a way that their images could ...
A snowflake is a single ice crystal that has achieved a sufficient size, and may have amalgamated with others, which falls through the Earth's atmosphere as snow. [ 1 ][ 2 ][ 3 ] Each flake nucleates around a tiny particle in supersaturated air masses by attracting supercooled cloud water droplets, which freeze and accrete in crystal form.
1855 - James Glaisher publishes detailed sketches of snow crystals under a microscope. 1865 - Frances E. Chickering publishes Cloud Crystals - a Snow-Flake Album. [ 11 ][ 12 ] 1870 - Adolf Erik Nordenskiöld identifies " cryoconite holes." [ 13 ] 1872 - John Tyndall publishes The Forms of Water in Clouds and Rivers, Ice and Glaciers.
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