This book expands upon ideas in the author's classic text Cosmical Magnetic Fields. This is the first book-length treatment of the magnetohydrodynamic theory of spontaneous magnetic discontinuities. Most continuous magnetic fields develop internal discontinuities as they relax to equilibrium. The formation of the tangential discontinuities is driven by Maxwell stresses and provides sites for rapid reconnection and dissipation of the magnetic free energy, which is the primary cause of the sun's x-ray emitting corona.
This book expands upon ideas in the author's classic text Cosmical Magnetic Fields. This is the first book-length treatment of the magnetohydrodynamic theory of spontaneous magnetic discontinuities. Most continuous magnetic fields develop internal discontinuities as they relax to equilibrium. The formation of the tangential discontinuities is driven by Maxwell stresses and provides sites for rapid reconnection and dissipation of the magnetic free energy, which is the primary cause of the sun's x-ray emitting corona.
Biographic Memoirs Volume 83 contains the biographies of deceased members of the National Academy of Sciences and bibliographies of their published works. Each biographical essay was written by a member of the Academy familiar with the professional career of the deceased. For historical and bibliographical purposes, these volumes are worth returning to time and again.
Today's standard textbooks treat the theoretical structure of electric and magnetic fields, but their emphasis is on electromagnetic radiation and static-electric and magnetic fields. In this book, Eugene Parker provides advanced graduate students and researchers with a much-needed complement to existing texts, one that discusses the dynamic electromagnetism of the cosmos--that is, the vast magnetic fields that are carried bodily in the swirling ionized gases of stars and galaxies and throughout intergalactic space. Parker is arguably the world's leading authority on solar wind and the effects of magnetic fields in the heliosphere, and his originality of thought and distinctive approach to physics are very much in evidence here. Seeking to enrich discussions in standard texts and correct misconceptions about the dynamics of these large-scale fields, Parker engages readers in a series of "conversations" that are at times anecdotal and even entertaining without ever sacrificing theoretical rigor. The dynamics he describes represents the Maxwell stresses of the magnetic field working against the pressure and inertia of the bulk motion of ionized gases, characterized in terms of the magnetic field and gas velocity. Parker shows how this dynamic interaction cannot be fully expressed in terms of the electric current and electric field. Conversations on Electric and Magnetic Fields in the Cosmos goes back to basics to explain why classical hydrodynamics and magnetohydrodynamics are inescapable, even in the deepest reaches of space.
THE SUMNER STORY is to authenticate the school’s illustrious history and track record in providing quality educational experiences. Since the perspectives of generations of alumni are interwoven in the telling of the story there is a rich, vital character not commonly illustrated in such studies. By specifying major factors contributing to the school's stellar reputation in the area of college preparatory curriculum, concrete instructional tenets are provided for today's classroom teachers and administrators.
Biographic Memoirs Volume 72 contains the biographies of deceased members of the National Academy of Sciences and bibliographies of their published works. Each biographical essay was written by a member of the Academy familiar with the professional career of the deceased. For historical and bibliographical purposes, these volumes are worth returning to time and again.
The Mind of the Master Class tells of America's greatest historical tragedy. It presents the slaveholders as men and women, a great many of whom were intelligent, honorable, and pious. It asks how people who were admirable in so many ways could have presided over a social system that proved itself an enormity and inflicted horrors on their slaves. The South had formidable proslavery intellectuals who participated fully in transatlantic debates and boldly challenged an ascendant capitalist ('free-labor') society. Blending classical and Christian traditions, they forged a moral and political philosophy designed to sustain conservative principles in history, political economy, social theory, and theology, while translating them into political action. Even those who judge their way of life most harshly have much to learn from their probing moral and political reflections on their times - and ours - beginning with the virtues and failings of their own society and culture.
Zeigler made a name for himself in South Carolina politics through his campaign for the U.S. Senate in 1972 against Strom Thurmond and a subsequent candidacy in the states 1974 Democratic gubernatorial primary. Unsuccessful in both, Zeigler nonetheless distinguished himself as a man of passionate convictions in the value of public service. His memoir recounts these and other defining moments from a life spent pursuing the public good, often against insurmountable opposition. A native of Florence, South Carolina, Zeigler represents a vanishing breed of public servantthe classically educated progressive rising from modest small-town roots and driven by a genuine sense of responsibility to better his community, state, and country. Throughout his career, Zeigler has faced the frustration of being on the verge of high office or important reform, yet ending up on the losing side or having played just a minor role in victory. Undaunted by these near misses, he takes satisfaction in the effort over the results.
Southern slaveholders proudly pronounced themselves orthodox Christians, who accepted responsibility for the welfare of the people who worked for them. They proclaimed that their slaves enjoyed a better and more secure life than any laboring class in the world. Now, did it not follow that the lives of laborers of all races across the world would be immeasurably improved by their enslavement? In the Old South but in no other slave society a doctrine emerged among leading clergymen, politicians, and intellectuals - 'Slavery in the Abstract', which declared enslavement the best possible condition for all labor regardless of race. They joined the Socialists, whom they studied, in believing that the free-labor system, wracked by worsening class warfare, was collapsing. A vital question: to what extent did the people of the several social classes of the South accept so extreme a doctrine? That question lies at the heart of this book.
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