polygonal number
91Cell — The basic structural and functional unit in people and all living things. Each cell is a small container of chemicals and water wrapped in a membrane. Each cell in the human body there are 100 trillion cells in each of us contains the entire… …
92DNA nanotechnology — seeks to make artificial, designed nanostructures out of nucleic acids, such as this DNA tetrahedron.[1] Each edge of the tetrahedron is a 20 base pair DNA double helix, and each vertex is a three arm junction. DNA n …
93Cathedral architecture of Western Europe — A cathedral is a church, usually Roman Catholic, Anglican, or Eastern Orthodox, housing the seat of a bishop. The word cathedral takes its name from the word cathedra , or Bishop s Throne (In Latin: ecclesia cathedralis ). The term is often… …
94Gothic Architecture — • History of the style Catholic Encyclopedia. Kevin Knight. 2006. Gothic Architecture Gothic Architecture † …
95Delphi — For other uses, see Delphi (disambiguation). Archaeological Site of Delphi * UNESCO World Heritage Site The theatr …
96Origami — Paper folding redirects here. For other uses, see Paper folding (disambiguation). For other uses of Origami, see Origami (disambiguation). Origami cranes The foldin …
97Binary space partitioning — (BSP) is a method for recursively subdividing a space into convex sets by hyperplanes. This subdivision gives rise to a representation of the scene by means of a tree data structure known as a BSP tree.In simpler words, it is a method of breaking …
98POV-Ray — Infobox Software name = POV Ray caption = developer = The POV Team latest release version = 3.6 latest release date = October 03, 2004 latest preview version = 3.7.beta.29b latest preview date = october 03, 2008 operating system = Cross platform… …
99Fortification — Fort and Fortress redirect here. For other uses, see Fort (disambiguation) and Fortress (disambiguation). For other uses, see Fortification (disambiguation) …
100Orbifold — This terminology should not be blamed on me. It was obtained by a democratic process in my course of 1976 77. An orbifold is something with many folds; unfortunately, the word “manifold” already has a different definition. I tried “foldamani”,… …
