This accessible reference presents the evolution of concepts of time and methods of time keeping, for historians, scientists, engineers, and educators. The second edition has been updated throughout to describe twentieth- and twenty-first-century advances, progress in devices, time and cosmology, the redefinition of SI units, and the future of UTC.
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 59. As part of the Nineteenth General Assembly of The International Union of Geodesy and Geophysics Symposium (IUGG) in Vancouver, Canada, Union Symposium U4, "Variations in Earth Rotation" was held August 18-19 1987. The Convenor was Dennis D. McCarthy, U.S. Naval Observatory with P. Paquet, Observatoire Royal de Belgique and M. G. Rochester, St. Johns University serving as co-convernors. In a session on internal structure of the Earth papers dealt with the geophysical effects on Earth rotation parameters. Mantle anelasticity increases the free core nutation (FCN) period by a few days. The period of the FCN and the amplitudes of the main nutation components are sensitive to the ellipticity of the core?]mantle boundary (CMB), and a non-hydrostatic increase of 400m in the flattening of the CMB is a possible explanation of the discrepancies from theory. An alternative suggestion rests on the subseismic description of the nutation spectrum of the stratified liquid core. Evidently new models will have to take into account contributions from the oceans, mantle anelasticity, non-hydrostatic pre-stress, CMB topography and internal core structure.
In the twenty-first century, we take the means to measure time for granted, without contemplating the sophisticated concepts on which our time scales are based. This volume presents the evolution of concepts of time and methods of time keeping up to the present day. It outlines the progression of time based on sundials, water clocks, and the Earth's rotation, to time measurement using pendulum clocks, quartz crystal clocks, and atomic frequency standards. Time scales created as a result of these improvements in technology and the development of general and special relativity are explained. This second edition has been updated throughout to describe twentieth- and twenty-first-century advances and discusses the redefinition of SI units and the future of UTC. A new chapter on time and cosmology has been added. This broad-ranging reference benefits a diverse readership, including historians, scientists, engineers, educators, and it is accessible to general readers.
Those who study value conflicts have resisted rational choice approaches in the social sciences, contending that political conflict over cultural values is best explained by group loyalties, symbolic motives, and other "nonrational" factors. However, Chong shows that a single model can explain how people make decisions across both social and economic realms. He argues that our preferences result from a combination of psychological dispositions, which are shaped by social influences and developed over the life span. Chong's book yields insights about the circumstances under which preferences, beliefs, values, norms and group identifications are formed. It offers a provocative explanation of how ingrained social norms and values can change over time despite the forces maintaining the status quo. "Going beyond the tired polemics on both sides, [Chong] constructs a new interpretation of human behavior in which culture and individual rationality both matter. The synthesis is a more comprehensive and powerful explanatory framework than either side could have produced, and Chong's creativity should influence subsequent interpretations of our social life in fundamental ways."—Christopher H. Achen, University of Michigan
From the 1970s through the mid-1980s, the Chicago Outfit dominated organized crime in Las Vegas. To ensure the smooth flow of cash, the gangsters installed a front man with no criminal background, Allen R. Glick, as the casino owner of record, Frank “Lefty” Rosenthal as the real boss of casino operations, and Tony Spilotro as the ultimate enforcer, who’d do whatever it took to protect their interests. It wasn’t long before Spilotro, also in charge of Vegas street crime, was known as the “King of the Strip.” Federal and local law enforcement, recognizing the need to rid the casinos of the mob and shut down Spilotro’s rackets, declared war on organized crime. The Battle for Las Vegas relates the story of the fight between the tough guys on both sides, told in large part by the agents and detectives who knew they had to win.
Genealogical Troves ~ Volume Two provides Nineteenth Century records of baptisms, marriages and deaths pertaining to the— Griffin families Connell (O’Connell) families —who resided in the vicinity of Ballybunion and Listowel in Northwest County Kerry. Volume Two relies on a number of sources to assemble the family records. These records include: Roman Catholic parish registers Civil records Land records The Calendar of Wills Volume Two includes additional records for families (Forde and Freeman of County Mayo and Allen and Linnane of County Kerry) and townlands (Laughil in County Roscommon and Derrynacong in County Mayo) found in Genealogical Troves ~ Volume One.
Children experience growth and change throughout their lives. This book explains how this reorganising process can be used in play therapy to help children dealing with social, neurological, developmental, health and family issues. Theory and examples are used to show how to apply the practice with a range of clients.
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