squaring the circle
21Logan Circle (Philadelphia) — Infobox nrhp | name =Logan Square nrhp type = caption = Swann Fountain in Logan Circle location= Philadelphia, Pennsylvania lat degrees = 39 lat minutes = 57 lat seconds = 28.16 lat direction = N long degrees = 75 long minutes = 10 long seconds …
22Aristarchus On the Sizes and Distances — Aristarchus s 3rd century BC calculations on the relative sizes of, from left, the Sun, Earth and Moon, from a 10th century CE Greek copy On the Sizes and Distances (of the Sun and Moon) (Περὶ μεγεθῶν καὶ ἀποστημάτων [ἡλίου καὶ σελήνης]) is… …
23Doubling the cube — (also known as the Delian problem) is one of the three most famous geometric problems unsolvable by compass and straightedge construction. It was known to the Egyptians, Greeks, and Indians.[1] To double the cube means to be given a cube of some… …
24360° at the Rose Bowl — 360° at the Rose Bowl …
25Somerville Circle — The Somerville Circle is a traffic circle located on the border of Bridgewater Township and Raritan, New Jersey, United States. The circle is at the intersection of U.S. Routes 202 and 206, and New Jersey Route 28. The circle was built in the… …
26Sophists (The) — The sophists G. B. Kerferd In the fifth century BC the term sophistēs was used in Greece as a name to designate a particular profession, that of certain travelling teachers who went from city to city giving lectures and providing instruction in a …
27Hermeneutic circle — Contents 1 Definition and usage 2 Critique 3 Notes 4 References Definition and usage The hermeneutic circle describes the proce …
28Quadrature of the moon — Quadrature Quad ra*ture, n. [L. quadratura: cf. F. quadrature. See {Quadrate}, a.] 1. (Math.) The act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of… …
29Complex squaring map — In mathematics, the complex squaring map, a polynomial mapping of degree two, is a simple and accessible demonstration of chaos in dynamical systems. It can be constructed by performing the following steps: Choose any complex number on the unit… …
30Corruption in the People's Republic of China — Political corruption Corruption Perceptions Index, 2010 …
