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21st Century Urban Race Politics begins by offering a twenty-first-century understanding of minority representation in historically majority-Caucasian cities and draws on case studies in cities throughout the United States. The aim of this volume is to take stock of what we know about the advantages and disadvantages of the "racialized" and "deracialized" approaches to governance and to describe a third approach, the "universalized interest approach." The authors argue that minority elected officials, when given the power and resources to do so, often do more than represent constituent...

The Almagest is by far the greatest work in astronomy in ancient times. In a massive series of thirteen books, Ptolemy shows how every detail of the motions of the sun, moon, planets, and stars can be expressed using geometrical models that can be used to compute celestial positions with remarkable accuracy The present selection covers all the essential features of Ptolemy s treatment of the heavens, omitting only more difficult and abstruse matters such as the moon s motion and the calculation of eclipses. In the interest of conciseness, development of planetary theories is restricted to two...