A geodesic polyhedron is a convex polyhedron made from triangles. They usually have icosahedral symmetry, such that they have 6 triangles at a vertex,...
17 KB (1,141 words) - 04:12, 8 June 2024
A geodesic dome is a hemispherical thin-shell structure (lattice-shell) based on a geodesic polyhedron. The rigid triangular elements of the dome distribute...
26 KB (3,388 words) - 13:49, 6 November 2024
Goldberg polyhedron is a dual polyhedron of a geodesic polyhedron. A consequence of Euler's polyhedron formula is that a Goldberg polyhedron always has...
12 KB (646 words) - 22:58, 10 November 2024
A geodesic grid is a spatial grid based on a geodesic polyhedron or Goldberg polyhedron. The earliest use of the (icosahedral) geodesic grid in geophysical...
12 KB (1,346 words) - 23:24, 5 January 2024
geometric shape Geodesic dome, a hemispherical lattice-shell structure made from triangles, the shape of which is called a geodesic polyhedron All pages with...
635 bytes (120 words) - 07:20, 17 July 2022
In geometry, a polyhedron (pl.: polyhedra or polyhedrons; from Greek πολύ (poly-) 'many' and ἕδρον (-hedron) 'base, seat') is a three-dimensional figure...
91 KB (10,118 words) - 17:46, 6 November 2024
In geometry, a spherical polyhedron or spherical tiling is a tiling of the sphere in which the surface is divided or partitioned by great arcs into bounded...
11 KB (514 words) - 00:11, 22 October 2024
Pentakis snub dodecahedron (category Geodesic polyhedra)
and 60 triangles from the pentagons are isosceles. It is a (2,1) geodesic polyhedron, made of all triangles. The path between the valence-5 vertices is...
3 KB (186 words) - 16:17, 9 September 2024
Hexapentakis truncated icosahedron (category Geodesic polyhedra)
truncated icosahedron is a convex polyhedron constructed as an augmented truncated icosahedron. It is geodesic polyhedron {3,5+}3,0, with pentavalent vertices...
6 KB (338 words) - 08:27, 24 April 2024
In geometry, the truncated icosahedron is a polyhedron that can be constructed by truncating all of the regular icosahedron's vertices. Intuitively, it...
15 KB (1,533 words) - 15:25, 13 November 2024
Michael Goldberg introduced the Goldberg polyhedron in 1937. Buckminster Fuller coined the term "geodesic dome" in the 1940s, although he largely kept...
21 KB (1,928 words) - 12:23, 8 November 2023
(technology) – Fictional technology or superpower Geodesic dome – Spherical shell structure based on a geodesic polyhedron Closed closed ecosystems: Biosphere 2 –...
10 KB (1,117 words) - 01:31, 25 August 2024
Platonic solid (redirect from Convex regular polyhedron)
Platonic solid is a convex, regular polyhedron in three-dimensional Euclidean space. Being a regular polyhedron means that the faces are congruent (identical...
54 KB (5,615 words) - 14:29, 12 November 2024
Snub disphenoid (section Symmetry and geodesic)
\pi /2} and π / 6 {\displaystyle \pi /6} . Shifting a geodesic on the surface of the polyhedron by a small amount (small enough that the shift does not...
16 KB (1,875 words) - 13:15, 15 September 2024
Hexagonal cupola (Degenerate) Geodesic polyhedron Goldberg polyhedron Johnson solid Platonic solid Semiregular polyhedron Archimedean solid Prism Antiprism...
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favor the appearance of new viruses during evolution. Viruses portal Geodesic polyhedron Goldberg–Coxeter construction Fullerene#Other buckyballs Asensio...
22 KB (2,554 words) - 04:41, 20 August 2024
mountain faces, specifically in the Appalachians.[citation needed] Geodesic polyhedron Catmull-Clark subdivision surface Doo-Sabin subdivision surface Charles...
2 KB (157 words) - 17:18, 25 March 2024
Pentakis icosidodecahedron (category Geodesic polyhedra)
the pentakis icosidodecahedron or subdivided icosahedron is a convex polyhedron with 80 triangular faces, 120 edges, and 42 vertices. It is a dual of...
4 KB (322 words) - 21:52, 12 December 2023
(kis operation) will yield the (2,2) geodesic polyhedron. Taking the dual of that yields the (2,2) Goldberg polyhedron, which is the chamfered truncated...
10 KB (597 words) - 21:18, 11 November 2023
geodesics (i.e. three embedded geodesic circles). The result can also be extended to quasigeodesics on a convex polyhedron, and to closed geodesics of...
11 KB (1,246 words) - 03:03, 29 September 2024
Conway polyhedron notation, invented by John Horton Conway and promoted by George W. Hart, is used to describe polyhedra based on a seed polyhedron modified...
47 KB (2,673 words) - 09:29, 9 November 2024
the manifold that are connected to p by two or more distinct shortest geodesics. More generally, the cut locus of a closed set X on the manifold is the...
8 KB (1,042 words) - 20:34, 26 June 2024
projection based on a spherical polyhedron. Typically, the polyhedron is overlaid on the globe, and each face of the polyhedron is transformed to a polygon...
9 KB (953 words) - 05:27, 6 September 2024
In three-dimensional hyperbolic geometry, an ideal polyhedron is a convex polyhedron all of whose vertices are ideal points, points "at infinity" rather...
27 KB (3,226 words) - 23:07, 3 November 2024
Spaceship Earth (Epcot) (category Geodesic domes)
Earth is derived from the Class 2 geodesic polyhedron with frequency of division equal to 8. Each face of the polyhedron is divided into three isosceles...
44 KB (4,843 words) - 07:37, 10 November 2024
conjecture fails for pseudo edges, i.e., a network of geodesics which connect vertices of the polyhedron and form a graph with convex faces. A related open...
13 KB (1,435 words) - 22:24, 21 August 2024
Alexandrov's uniqueness theorem (category Geodesic (mathematics))
space is called a geodesic space. The geodesic space formed from the surface of a polyhedron is called its development. The polyhedron can be thought of...
15 KB (1,730 words) - 06:32, 1 February 2024
with boundary ∂M. Let K be the Gaussian curvature of M, and let kg be the geodesic curvature of ∂M. Then ∫ M K d A + ∫ ∂ M k g d s = 2 π χ ( M ) , {\displaystyle...
13 KB (1,842 words) - 10:54, 1 April 2024
geometry, a circumscribed sphere of a polyhedron is a sphere that contains the polyhedron and touches each of the polyhedron's vertices. The word circumsphere...
6 KB (743 words) - 05:14, 2 November 2024
Poliedro de Caracas (category Geodesic domes)
The Poliedro de Caracas ("Caracas Polyhedron Arena") is an indoor sports arena, located on the grounds adjacent to Hipodromo La Rinconada, in Caracas,...
9 KB (316 words) - 20:13, 24 November 2023