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We present results from an adaptive optics survey conducted with the Palomar and Keck telescopes over 3 years, which measured the frequency of stellar and sub-stellar companions to Sun-like stars. The survey sample contains 266 stars in the 3-10000 million year age range at heliocentric distances between 8 and 200 parsecs and with spectral types between F5-K5. A sub-sample of 101 stars, between 3-500 million years old, were observed in deep exposures with a coronagraph to search for faint sub-stellar companions. A total of 288 candidate companions were discovered around the sample st...


The book aims to quantify and analyze how two water scarce but ideologically different Middle Eastern political economies, Saudi Arabia and Syria, addressed water sector investment between 1980 and 2000. The study examines how narrow-coalitions of decision-makers obsessed by impossible-to-achieve food self-sufficiency goals, lacking environmental consideration and safe political processes contributed to massively waste scarce resources and unsustainable water policies. The book shows that of Saudi Arabia’s US$1,034 billion in oil revenues (1974-2001), 48% was spent on security, plus 10% on th...


This work elaborates R. W. Emerson s modification of S. T. Coleridge s central philosophical-aesthetic notions, such as imagination, reason, genius and symbol. Although Kant s and Schelling s idealistic philosophy, various pantheistic theories and Neoplatonism are identified as Coleridge s and Emerson s congenial intellectual and spiritual background, the author draws yet more attention to subtle differences between the English Romantic Coleridge and the American transcendentalist Emerson, which allow us to recognize that we deal with two distinct philosophical and poetic ...


This dissertation describes work performed at the Palomar Testbed Interferometer (PTI) during 1998-2002. Using PTI, we developed a method to measure stellar angular diameters in the 1-3 milli-arcsecond range with a precision of better than 5%. Such diameter measurements were used to measure the mass-radius relations of several lower main sequence stars and hence verify model predictions for these stars. In addition, by measuring the changes in Cepheid angular diameters during the pulsational cycle and applying a Baade-Wesselink analysis we are able to derive the distances ...


This dissertation reports the results of a sociological analysis of the narrative form and functions of revolutionary discourse. Chapter I poses two questions: How do representations of death function in political processes? How do signifiers of violent death function in the structure of revolutionary statements? Chapter II reviews relevant sociological concepts and articulates a dramatistic political-sociology of death, concepts mainly derived from Emile Durkheim, Robert Hertz, and Arnold van Gennep on death and the sacred, Max Weber on violence and politics, and Burke, Duncan, and Edelman...


The Federal Writers' Project, part of President Franklin D. Roosevelt's Works Progress Administration of the 1930s, collected interviews from over 3500 ex-slaves throughout the United States, including 365 former South Carolina slaves. These narratives are an invaluable resource to those interested in resistance by the last generation of South Carolinians held in bondage. This thesis tells us about the separate worlds inhabited by the Palmetto State's slaves and their owners, and describes, often in the slaves' own words, the resistance precipitated by the friction between these worlds.


This dissertation introduces new hardware architectures for more realistic surface rendering of three dimensional objects and the rendering of volumetric datasets. Surface rendering is dealt with in the first part of the dissertation where the architectures for displacement map rendering in hardware are proposed. This work represents the first to appear in scientific literature on displacement map hardware rendering. Where possible these architectures propose components that integrate into currently available pipelines and make use of existing units in those pipelines. Displacement map renderi...


Since its inception in the early nineteenth century, the basic tenet of dispensationalism (a school of Protestant theology which holds that God deals with humankind in different ways in different periods of time called dispensations) has been that the church and Israel are two sharply distinct peoples of God. The distinction is theological in nature; specifically, anthropological (pertaining to humanity), soteriological (pertaining to salvation), and eschatological (pertaining to last things). The tenet of theological distinctiveness has always been the cornerstone for the dispensationalist's ...


‘Nervous shock’ cases form an area of law, which illustrates well the operation of judicial policy. It is possible from such cases to trace the changing attitudes of lawyers, doctors and of society in general to psychiatric injury over the last century. These cases also highlight the changing judicial attitudes to the scope of duty of care and to the whole issue of policy decisions.The recognition of nervous shock similarly illustrates the development of medical knowledge in relation to psychiatric injury. The recognition of Post traumatic Stress Syndrome (PTSD) has been a relatively new an...


In middle schools today, teachers meet many challenges. Students come to school with a wide variety of experiences and economic backgrounds. They come with varying needs and abilities. Middle school is a time of many changes for students. One of the many goals of middle school is to meet the needs of the students in academics as well as the social, physical and emotional needs. The research question addressed in this dissertation was: What are the effects of instructional technology on motivation, attitudes and behavior of at-risk learners in the middle school general music classr...


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