prismatic edge
1Cube — This article is about the geometric shape. For other uses, see Cube (disambiguation). Regular Hexahedron (Click here for rotating model) Type Platonic solid Elements F = 6, E = 12 V = 8 (χ = 2) …
2Obsidian use in Mesoamerica — Obsidian projectile point. Obsidian is a naturally formed volcanic glass that was an important part of the material culture of Pre Columbian Mesoamerica. Obsidian was a highly integrated part of daily and ritual life, and its widespread and… …
3Compass — This article is about the direction finding instrument used in navigation. For other uses, see Compass (disambiguation). A simple dry magnetic pocket compass …
4Theory of Colours — Infobox Book name = Theory of Colours title orig = Zur Farbenlehre translator = Charles Eastlake [http://findarticles.com/p/articles/mi m0422/is 2 82/ai 64573524/pg 6] image caption = Light spectrum, from Theory of Colours – Goethe observed that… …
5Cubic honeycomb — Type Regular honeycomb Family Hypercube honeycomb Schläfli symbol {4,3,4} Coxeter Dynkin diagram …
6Mollusc shell — Closed and open shells of a marine bivalve, Petricola pholadiformis. A bivalve shell is composed of two hinged valves which are joined by a ligament …
7Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …
8Prism (geometry) — For other uses, see Prism (disambiguation). Set of uniform prisms (A hexagonal prism is shown) Type uniform polyhedron Faces 2+n total: 2 {n} n {4} Edges …
9Uniform polytope — A uniform polytope is a vertex transitive polytope made from uniform polytope facets. A uniform polytope must also have only regular polygon faces.Uniformity is a generalization of the older category semiregular, but also includes the regular… …
10Stereoscopy — Stereoscopy, stereoscopic imaging or 3 D (three dimensional) imaging is any technique capable of recording three dimensional visual information or creating the illusion of depth in an image. The illusion of depth in a photograph, movie, or other… …
