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Topic: Octahedron


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In the News (Sun 22 Nov 09)

  
  Octahedron Pty Ltd Jewellery Software for you
Octahedron Expands International Reach at Hong Kong Jewellery Fair September not only saw the largest-ever edition of Asia's international jewelry event, the 24th Hong Kong Jewelry and Watch Fa...
Octahedron Announces Launch into India Market Through Reseller Modali Ltd Octahedron, an Australian owned, Brisbane based software company today announced a venture into the Indian market.
Octahedron an IT company specialising in the jewellery industry is awarded the 2001 Optus Australian Micro Business Of The Year Award presented by Kathy Hatzis, Marketing Manager, Home Office, Optus i...
www.octahedron.com.au   (444 words)

  
  Truncated Octahedron   (Site not responding. Last check: 2007-11-07)
Each face of the octahedron corresponds to a different cyclic strand.
In this drawing, each nucleotide is shown with a colored dot corresponding to the backbone, and a white dot corresponding to the base.
In addition to the 36 edges of the truncated octahedron, each vertex contains a hairpin of DNA extending from it.
seemanlab4.chem.nyu.edu /nano-oct.html   (183 words)

  
  PlanetMath: octahedron   (Site not responding. Last check: 2007-11-07)
An octahedron is a polyhedron with eight faces.
This is version 2 of octahedron, born on 2004-06-22, modified 2004-06-23.
Object id is 5952, canonical name is Octahedron.
planetmath.org /encyclopedia/Octahedron.html   (46 words)

  
  NationMaster - Encyclopedia: Octahedron   (Site not responding. Last check: 2007-11-07)
The regular octahedron is a special kind of triangular antiprism and of square bipyramid, and is dual to the cube.
The vertices of the octahedron lie at the midpoints of the edges of the tetrahedron, and in this sense it relates to the tetrahedron in the same way that the cuboctahedron and icosidodecahedron relate to the other Platonic solids.
A disdyakis dodecahedron, or hexakis octahedron, is the Catalan solid whose Archimedean dual is the truncated cuboctahedron.
www.nationmaster.com /encyclopedia/Octahedron   (1976 words)

  
 900.00 MODELABILITY
The octahedron goes from a volume of four to a volume of three as one tensor is precessed at 90 degrees.
The octahedron is doubled-up in the middle range of the vector equilibrium's jitterbug model; thus it demonstrates conceptually the exact middle between the macro- micro limits of the sequence of intertransformative events.
641.01.) The octahedron may be considered to be the optimum crystalline structural representation of the spherical islands of compression because it is double-bonded and its vectors are doubled.
www.rwgrayprojects.com /synergetics/s09/p3600.html   (1587 words)

  
 Polymorf - Knowhere - Octahedron symmetry   (Site not responding. Last check: 2007-11-07)
Demonstrating that the octahedron is symmetrically identical to the cube
6 - Inscribing the octahedron in the cube
Likewise the octahedron is demonstrated to possess the same cubic (100)
www.polymorf.net /lesson5.htm   (74 words)

  
 The Octahedron   (Site not responding. Last check: 2007-11-07)
The octahedron might also be classified as a square dipyramid or a triangular antiprism.
The dihedral angle between the two triangles is the dihedral angle of the octahedron.
The octahedron is the dual of the cube.
whistleralley.com /polyhedra/octahedron.htm   (374 words)

  
 Truncated octahedron   (Site not responding. Last check: 2007-11-07)
Since each of its faces has point symmetry (or 180° rotational symmetry), the truncated octahedron is a zonohedron.
Canonical coordinates for the vertices of a truncated octahedron centered at the origin are (±2, ±1, 0), (0, ±2, ±1), (±1, 0, ±2), (±1, ±2, 0), (0, ±1, ±2), (±2, 0, ±1), note that the coordinates form a lot of rectangles parallel with the coordinate system axes.
(geometry) a polyhedron with eight faces; the regular octahedron has regular triangles as faces and is one of the Platonic solids.
www.serebella.com /encyclopedia/article-Truncated_octahedron.html   (200 words)

  
 Octahedron: EnchantedLearning.com
An octahedron is a regular geometric solid (called a Platonic solid) that has a 8 equilateral triangles as faces.
It has 6 vertices (points) and 12 edges (lines between the triangular faces).
Fold along the inside lines and form into an octahedron shape.
www.enchantedlearning.com /math/geometry/solids/Octahedron.shtml   (0 words)

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