point of flattening
81Dates of 2008 — ▪ 2009 January As we meet tonight, our economy is undergoing a period of uncertainty.… At kitchen tables across our country, there is a concern about our economic future. U.S. Pres. George W. Bush, in his final state of the union address, January …
82Yoshizawa-Randlett system — The origami crane diagram, using the Yoshizawa Randlett system The Yoshizawa Randlett system is a diagramming system used to describe the folds of origami models. Many origami books begin with a description of basic origami techniques which are… …
83Choctaw — For other uses, see Choctaw (disambiguation). Choctaw Choctaw portraits Total population 160,000   …
84Pentagon — In geometry, a pentagon is any five sided polygon. A pentagon may be simple or self intersecting. The internal angles in a simple pentagon total 540°. Regular pentagons The term pentagon is commonly used to mean a regular convex pentagon, where… …
85Alcatraz Island — Alcatraz redirects here. For other uses, see Alcatraz (disambiguation). Alcatraz Island IUCN Category V (Protected Landscape/Seascape) …
86Radius of curvature (applications) — The distance from the center of a sphere or ellipsoid to its surface is its radius. The equivalent surface radius that is described by radial distances at points along the body s surface is its radius of curvature (more formally, the radius of… …
87Clavier-Übung III — Johann Sebastian Bach, 1746 The Clavier Übung III, sometimes referred to as the German Organ Mass, is a collection of compositions for organ by Johann Sebastian Bach, started in 1735–6 and published in 1739. It is considered to be Bach s most… …
88Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
89Suez Crisis — The Tripartite Aggression The Sinai War Part of the Cold War and the Arab–Israeli conflict …
90Reflecting telescope — 24 inch convertible Newtonian/Cassegrain reflecting telescope on display at the Franklin Institute. A reflecting telescope (also called a reflector) is an optical telescope which uses a single or combination of curved mirrors that reflect light… …
