A new, comprehensively updated edition of the acclaimed textbook by F.H. Attix (Introduction to Radiological Physics and Radiation Dosimetry) taking into account the substantial developments in dosimetry since its first edition. This monograph covers charged and uncharged particle interactions at a level consistent with the advanced use of the Monte Carlo method in dosimetry; radiation quantities, macroscopic behaviour and the characterization of radiation fields and beams are covered in detail. A number of chapters include addenda presenting derivations and discussions that offer new insight into established dosimetric principles and concepts. The theoretical aspects of dosimetry are given in the comprehensive chapter on cavity theory, followed by the description of primary measurement standards, ionization chambers, chemical dosimeters and solid state detectors. Chapters on applications include reference dosimetry for standard and small fields in radiotherapy, diagnostic radiology and interventional procedures, dosimetry of unsealed and sealed radionuclide sources, and neutron beam dosimetry. The topics are presented in a logical, easy-to-follow sequence and the text is supplemented by numerous illustrative diagrams, tables and appendices. For senior undergraduate- or graduate-level students and professionals.
The central philosophical challenge of metaethics is to account for the normativity of moral judgment without abandoning or seriously compromising moral realism. In Morality in a Natural World, David Copp defends a version of naturalistic moral realism that can accommodate the normativity of morality. Moral naturalism is often thought to face special metaphysical, epistemological, and semantic problems as well as the difficulty in accounting for normativity. In the ten essays included in this volume, Copp defends solutions to these problems. Three of the essays are new, while seven have previously been published. All of them are concerned with the viability of naturalistic and realistic accounts of the nature of morality, or, more generally, with the viability of naturalistic accounts of reasons.
Suitable for advanced undergraduates and graduate students of physics, this uniquely comprehensive overview provides a rigorous, integrated treatment of physical principles and techniques related to gases, liquids, solids, and their phase transitions. 1975 edition.
Winner of the 2018 Current Events/Social Change Book Award from the Next Generation Indie Book Awards Winner of the 2018 Bronze Current Events Book Award from the Independent Publisher Book Awards Generations ago, gambling in America was an illicit activity, dominated by gangsters like Benny Binion and Bugsy Siegel. Today, forty-eight out of fifty states permit some form of legal gambling, and America’s governors sit at the head of the gaming table. But have states become addicted to the revenue gambling can bring? And does the potential of increased revenue lead them to place risky bets on new casinos, lotteries, and online games? In Gangsters to Governors, journalist David Clary investigates the pros and cons of the shift toward state-run gambling. Unearthing the sordid history of America’s gaming underground, he demonstrates the problems with prohibiting gambling while revealing how today’s governors, all competing for a piece of the action, promise their citizens payouts that are rarely delivered. Clary introduces us to a rogue’s gallery of colorful characters, from John “Old Smoke” Morrissey, the Irish-born gangster who built Saratoga into a gambling haven in the nineteenth century, to Sheldon Adelson, the billionaire casino magnate who has furiously lobbied against online betting. By exploring the controversial histories of legal and illegal gambling in America, he offers a fresh perspective on current controversies, including bans on sports and online betting. Entertaining and thought-provoking, Gangsters to Governors considers the past, present, and future of our gambling nation. Author's website (http://www.davidclaryauthor.com)
The Occupation of Justice presents the first comprehensive discussion of the Supreme Court of Israel's decisions on petitions challenging policies and actions of the authorities in the West Bank and Gaza since their occupation during the 1967 Six-Day War. Kretzmer addresses issues including: the basis for the Court's jurisdiction; application and interpretation of the international law of belligerent occupation; the legality of civilian settlements and highway construction; and security measures such as curfews, deportations and housing demolitions. While pertaining to a specific political and legal context, this case study has broader implications regarding how courts in democratic countries act in times of conflict and crisis. It shows that at such times domestic courts tend to close ranks with the executive branch against those elements that are perceived as external threats to society.
The story of physicists' quest to answer a mind-boggling question: How can we travel through time? Since H. G. Wells' 1895 classic The Time Machine, readers of science fiction have puzzled over the paradoxes of time travel. What would happen if a time traveler tried to change history? Would some force or law of nature prevent him? Or would his action produce a "new" history, branching away from the original?In the last decade of the twentieth century a group of theoretical physicists at the California Institute of Technology undertook a serious investigation of the possibility of pastward time travel, inspiring a serious and sustained study that engaged more than thirty physicists working at universities and institutes around the world.Many of the figures involved are familiar: Einstein, Stephen Hawking and Kip Thorne; others are names known mostly to physicists. These are the new time travelers, and this is the story of their work--a profoundly human endeavor marked by advances, retreats, and no small share of surprises. It is a fantastic journey to the frontiers of physics. Some images in the ebook are not displayed owing to permissions issues.
Topological semimetals are quantum materials that are not only extremely interesting from a theoretical point of view but also have a great potential for technological applications in which superconducting, semiconducting and other semimetal behaviors are involved. Keywords: Quantum Materials, Macroscopic Quantum Phenomena, Topological Semimetals, Dirac Semimetals, Weyl Semimetals, Nodal-Line Semimetals, Antimony and Antimonides, Antimonene, Arsenides, Bismuthides, Boron, Borides, Borophene, Carbon and Carbides, Chalcogenides, Nitrides, Phosphorus, Phosphides, Silicides, Topological Metals, Topological States of Matter.
Boojums All the Way Through is a collection of essays that deals in a variety of ways with the problem of communicating modern physics to both physicists and non-physicists. The author is Professor David Mermin, a well-known theoretical physicist, who recently won the first Julius Edgar Lileinfeld prize of the American Physical Society 'for his remarkable clarity and wit as a lecturer to nonspecialists on difficult subjects'. David Mermin's wry humour is clearly apparent in most of these articles, but even those that are more serious are characterized by a liveliness and commitment to finding startlingly simple ways of presenting ideas that are traditionally regarded as complex. This book will appeal to physicists at all levels, to mathematicians, scientists and engineers, and indeed to anyone who enjoys reading non-technical accounts of new ways of looking at modern science.
Recent progress in the theory and computation of electronic structure is bringing an unprecedented level of capability for research. Many-body methods are becoming essential tools vital for quantitative calculations and understanding materials phenomena in physics, chemistry, materials science and other fields. This book provides a unified exposition of the most-used tools: many-body perturbation theory, dynamical mean field theory and quantum Monte Carlo simulations. Each topic is introduced with a less technical overview for a broad readership, followed by in-depth descriptions and mathematical formulation. Practical guidelines, illustrations and exercises are chosen to enable readers to appreciate the complementary approaches, their relationships, and the advantages and disadvantages of each method. This book is designed for graduate students and researchers who want to use and understand these advanced computational tools, get a broad overview, and acquire a basis for participating in new developments.
Solid State Physics provides a broad introduction to some of the principal areas of the physical phenomena in solid materials and is aimed broadly at undergraduate students of physics and engineering related subjects. The physical properties of materials are intimately related to the crystalline symmetry of atoms as well as the atomic species present. This includes the electronic, mechanical, magnetic and optical properties of all materials. These subjects are treated in depth and provide the reader with the tools necessary for an understanding of the varied phenomena of materials. Particular emphasis is given to the reaction of materials to specific stimuli, such as the application of electric and magnetic fields. Nanotechnologies are based on the formation of nano-sized elements and structures. The final chapter of the book provides a broad introduction to the topic and uses some of the main tools of solid state physics to explain the behavior of nanomaterials and why they are of importance for future technologies. FEATURES: • Provides a broad introduction to the principal areas of the physical phenomena in solid materials • Includes the electronic, mechanical, magnetic and optical properties of all materials • Explains the behavior of nanomaterials and why they are of importance for future technologies
The inside story of the booming video game industry from the late 1990s to the present, as told by the Managing Director of Ubisoft's Massive Entertainment (The Division, Far Cry 3, Assassin's Creed: Revelations). At Massive Entertainment, a Ubisoft studio, a key division of one of the largest, most influential companies in gaming, Managing Director Polfeldt has had a hand in some of the biggest video game franchises of today, from Assassin's Creed to Far Cry to Tom Clancy's The Division, the fastest-selling new series this generation which revitalized the Clancy brand in gaming. In The Dream Architects, Polfeldt charts his course through a charmed, idiosyncratic career which began at the dawn of the Sony PlayStation and Microsoft Xbox era -- from successfully pitching an Avatar game to James Cameron that will digitally create all of Pandora to enduring a week-long survivalist camp in the Scandinavian forest to better understand the post-apocalyptic future of The Division. Along the way, Polfeldt ruminates on how the video game industry has grown and changed, how and when games became art, and the medium's expanding artistic and storytelling potential. He shares what it's like to manage a creative process that has ballooned from a low-six-figure expense with a team of a half dozen people to a transatlantic production of five hundred employees on a single project with a production budget of over a hundred million dollars. A rare firsthand account of the golden age of game development told in vivid detail, The Dream Architects is a seminal work about the biggest entertainment medium of today.
This study concludes that many aspects of delayed development are not the result of visual impairment itself, but rather of environmental variables that tend to accompany it, after summarizing and interpreting the research literature on infants and children with visual impairments.
The first comprehensive history of the pietistic movement that shaped modern Judaism This is the first comprehensive history of the pietistic movement that shaped modern Judaism. The book’s unique blend of intellectual, religious, and social history offers perspectives on the movement’s leaders as well as its followers, and demonstrates that, far from being a throwback to the Middle Ages, Hasidism is a product of modernity that forged its identity as a radical alternative to the secular world. Hasidism originated in southeastern Poland, in mystical circles centered on the figure of Israel Ba'al Shem Tov, but it was only after his death in 1760 that a movement began to spread. Challenging the notion that Hasidism ceased to be a creative movement after the eighteenth century, this book argues that its first golden age was in the nineteenth century, when it conquered new territory, won a mass following, and became a mainstay of Jewish Orthodoxy. World War I, the Russian Revolution, and the Holocaust decimated eastern European Hasidism. But following World War II, the movement enjoyed a second golden age, growing exponentially. Today, it is witnessing a remarkable renaissance in Israel, the United States, and other countries around the world. Written by an international team of scholars, Hasidism is a must-read for anyone seeking to understand this vibrant and influential modern Jewish movement.
This book is concerned with a single group of quantum liquids, normal Fermi liqztids, discussing the nature of elementary excitations, the central concept of response functions. It is intended as a text for a graduate course in quantum statistical mechanics or low temperature theory.
Whether or not infants' earliest perception of the world is a "blooming, buzzing, confusion," it is not long before they come to perceive structure and order among the objects and events around them. At the core of this process, and cognitive development in general, is the ability to categorize--to group events, objects, or properties together--and to form mental representations, or concepts, that encapsulate the commonalities and structure of these categories. Categorization is the primary means of coding experience, underlying not only perceptual and reasoning processes, but also inductive inference and language. The aim of this book is to bring together the most recent findings and theories about the origins and early development of categorization and conceptual abilities. Despite recent advances in our understanding of this area, a number of hotly debated issues remain at the center of the controversy over categorization. Researchers continue to ask questions such as: Which mechanisms for categorization are available at birth and which emerge later? What are the relative roles of perceptual similarity and nonobservable properties in early classification? What is the role of contextual variation in categorization by infants and children? Do different experimental procedures reveal the same kind of knowledge? Can computational models simulate infant and child categorization? How do computational models inform behavioral research? What is the impact of language on category development? How does language partition the world? This book is the first to address these and other key questions within a single volume. The authors present a diverse set of views representing cutting-edge empirical and theoretical advances in the field. The result is a thorough review of empirical contributions to the literature, and a wealth of fresh theoretical perspectives on early categorization.
This text demonstrates the process of comprehensive applied mathematical modeling through the introduction of various case studies. The case studies are arranged in increasing order of complexity based on the mathematical methods required to analyze the models. The development of these methods is also included, providing a self-contained presentation. To reinforce and supplement the material introduced, original problem sets are offered involving case studies closely related to the ones presented. With this style, the text’s perspective, scope, and completeness of the subject matter are considered unique. Having grown out of four self-contained courses taught by the authors, this text will be of use in a two-semester sequence for advanced undergraduate and beginning graduate students, requiring rudimentary knowledge of advanced calculus and differential equations, along with a basic understanding of some simple physical and biological scientific principles.
Low-dimensional solids are of fundamental interest in materials science due to their anisotropic properties. Written not only for experts in the field, this book explains the important concepts behind their physics and surveys the most interesting one-dimensional systems and discusses their present and emerging applications in molecular scale electronics. Chemists, polymer and materials scientists as well as students will find this book a very readable introduction to the solid-state physics of electronic materials. In this completely revised and expanded third edition the authors also cover graphene as one of the most important research topics in the field of low dimensional materials for electronic applications. In addition, the topics of nanotubes and nanoribbons are widely enlarged to reflect the research advances of the last years.
With more than 100 new entries, from Amy Adams, Benedict Cumberbatch, and Cary Joji Fukunaga to Joaquin Phoenix, Mia Wasikowska, and Robin Wright, and completely updated, here from David Thomson—“The greatest living writer on the movies” (John Banville, New Statesman); “Our most argumentative and trustworthy historian of the screen” (Michael Ondaatje)—is the latest edition of The New Biographical Dictionary of Film, which topped Sight & Sound’s poll of international critics and writers as THE BEST FILM BOOK EVER WRITTEN. 3/7
Eliminating the impossible just got a whole lot harder! The fabled tin dispatch box of Dr. John H. Watson opens to reveal eleven all-new tales of mystery and dark fantasy. Sherlock Holmes, master of deductive reasoning, confronts the irrational, the unexpected and the fantastic in the weird worlds of the Gaslight Grimoire.
Targeting advanced students of astronomy and physics, as well as astronomers and physicists contemplating research on supernovae or related fields, David Branch and J. Craig Wheeler offer a modern account of the nature, causes and consequences of supernovae, as well as of issues that remain to be resolved. Owing especially to (1) the appearance of supernova 1987A in the nearby Large Magellanic Cloud, (2) the spectacularly successful use of supernovae as distance indicators for cosmology, (3) the association of some supernovae with the enigmatic cosmic gamma-ray bursts, and (4) the discovery of a class of superluminous supernovae, the pace of supernova research has been increasing sharply. This monograph serves as a broad survey of modern supernova research and a guide to the current literature. The book’s emphasis is on the explosive phases of supernovae. Part 1 is devoted to a survey of the kinds of observations that inform us about supernovae, some basic interpretations of such data, and an overview of the evolution of stars that brings them to an explosive endpoint. Part 2 goes into more detail on core-collapse and superluminous events: which kinds of stars produce them, and how do they do it? Part 3 is concerned with the stellar progenitors and explosion mechanisms of thermonuclear (Type Ia) supernovae. Part 4 is about consequences of supernovae and some applications to astrophysics and cosmology. References are provided in sufficient number to help the reader enter the literature.
The advent of semiconductor structures whose characteristic dimensions are smaller than the mean free path of carriers has led to the development of novel devices, and advances in theoretical understanding of mesoscopic systems or nanostructures. This book has been thoroughly revised and provides a much-needed update on the very latest experimental research into mesoscopic devices and develops a detailed theoretical framework for understanding their behaviour. Beginning with the key observable phenomena in nanostructures, the authors describe quantum confined systems, transmission in nanostructures, quantum dots, and single electron phenomena. Separate chapters are devoted to interference in diffusive transport, temperature decay of fluctuations, and non-equilibrium transport and nanodevices. Throughout the book, the authors interweave experimental results with the appropriate theoretical formalism. The book will be of great interest to graduate students taking courses in mesoscopic physics or nanoelectronics, and researchers working on semiconductor nanostructures.
In Taking Morality Seriously: A Defense of Robust Realism David Enoch develops, argues for, and defends a strongly realist and objectivist view of ethics and normativity more broadly. This view—according to which there are perfectly objective, universal, moral and other normative truths that are not in any way reducible to other, natural truths—is familiar, but this book is the first in-detail development of the positive motivations for the view into reasonably precise arguments. And when the book turns defensive—defending Robust Realism against traditional objections—it mobilizes the original positive arguments for the view to help with fending off the objections. The main underlying motivation for Robust Realism developed in the book is that no other metaethical view can vindicate our taking morality seriously. The positive arguments developed here—the argument from the deliberative indispensability of normative truths, and the argument from the moral implications of metaethical objectivity (or its absence)—are thus arguments for Robust Realism that are sensitive to the underlying, pre-theoretical motivations for the view.
By identifying unifying concepts across solid state physics, this text covers theory in an accessible way to provide graduate students with an intuitive understanding of effects and the basis for making quantitative calculations. Each chapter focuses on a different set of theoretical tools, using examples from specific systems and demonstrating practical applications to real experimental topics. Advanced theoretical methods including group theory, many-body theory, and phase transitions are introduced in an accessible way, and the quasiparticle concept is developed early, with discussion of the properties and interactions of electrons and holes, excitons, phonons, photons, and polaritons. New to this edition are sections on graphene, surface states, photoemission spectroscopy, 2D spectroscopy, transistor device physics, thermoelectricity, metamaterials, spintronics, exciton-polaritons, and flux quantization in superconductors. Exercises are provided to help put knowledge into practice, with a solutions manual for instructors available online, while appendices review the basic mathematical methods used in the book.
The terms 'liquid crystal' or 'liquid crystal display' (LCD) are recognized in the context of flat-screen televisions, but the properties and history of liquid crystals are little known. This book tells the story of liquid crystals, from their controversial discovery at the end of the nineteenth century, to their eventual acceptance as another state of matter to rank alongside gases, liquids, and solids. As their story unfolds, the scientists involved and their works are put into illuminating broader socio-political contexts. In recent years, liquid crystals have had a major impact on the display industry, culminating in the now widely available flat-screen televisions. This development is described in detail over three chapters, and the basic science behind it is explained in simple terms accessible to a general reader. New applications of liquid crystals in materials, biosystems, medicine, and technology are also explained. The authors' approach to the subject defines a new genre of popular science books. The historical background to the scientific discoveries is given in detail, and the personal communications between the scientists involved are explored. The book tells the story of liquid crystals, but it also shows that scientific discovery and exploitation relies on human interactions, and the social and political environments in which they operate.
This text continues to fill the need to communicate the present view of a solid as a system of interacting particles which, under suitable circumstances, behaves like a collection of nearly independent elementary excitations. In addition to introducing basic concepts, the author frequently refers to experimental data. Usually, both the basic theory and the applications discussed deal with the behavior of '`'simple' metals, rather than the '`'complicated' metals, such as the transition metals and the rare earths. Problems have been included for most of the chapters.
Software is used in many safety- and security-critical systems. Software development is, however, an error-prone task. In this work new techniques for the detection of software faults (or software "bugs") are described which are based on a formal deductive verification technology. The described techniques take advantage of information obtained during verification and combine verification technology with deductive fault detection and test generation in a very unified way.
The Perpendiculum (or Summula de presumptionibus), produced in Northern France c.1170, is one of the earliest collections of brocards: a literary genre intended to provide legal arguments for disputation in the medieval schools of law. Its innovative use of dialectical techniques and its theorization of canon law presumptions have attracted the attention of legal historians, raising questions on its origin and milieu. This book offers the first comprehensive study of this work, with a Latin edition and an English translation of its text, shedding new light on the significance of this collection for twelfth-century legal teaching and learning.
This is a fascinating portrait of Miami's Cuban population, the most successful group of immigrants to settle in the United States since the Jews of the nineteenth century. David Rieff has provided an engrossing look at a group exiled from its homeland, showing how America has affected these immigrants, and what it means to become an American in the late twentieth century.
An essential guide to solid state physics through the lens of dimensionality and symmetry Foundations of Solid State Physics introduces the essential topics of solid state physics as taught globally with a focus on understanding the properties of solids from the viewpoint of dimensionality and symmetry. Written in a conversational manner and designed to be accessible, the book contains a minimal amount of mathematics. The authors?noted experts on the topic?offer an insightful review of the basic topics, such as the static and dynamic lattice in real space, the reciprocal lattice, electrons in solids, and transport in materials and devices. The book also includes more advanced topics: the quasi-particle concept (phonons, solitons, polarons, excitons), strong electron-electron correlation, light-matter interactions, and spin systems. The authors' approach makes it possible to gain a clear understanding of conducting polymers, carbon nanotubes, nanowires, two-dimensional chalcogenides, perovskites and organic crystals in terms of their expressed dimension, topological connectedness, and quantum confinement. This important guide: -Offers an understanding of a variety of technology-relevant solid-state materials in terms of their dimension, topology and quantum confinement -Contains end-of-chapter problems with different degrees of difficulty to enhance understanding -Treats all classical topics of solid state physics courses - plus the physics of low-dimensional systems Written for students in physics, material sciences, and chemistry, lecturers, and other academics, Foundations of Solid State Physics explores the basic and advanced topics of solid state physics with a unique focus on dimensionality and symmetry.
This book concerns digital communication. Specifically, we treat the transport of bit streams from one geographical location to another over various physical media, such as wire pairs, coaxial cable, optical fiber, and radio. We also treat multiple-access channels, where there are potentially multiple transmitters and receivers sharing a common medium. Ten years have elapsed since the Second Edition, and there have been remarkable advances in wireless communication, including cellular telephony and wireless local-area networks. This Third Edition expands treatment of communication theories underlying wireless, and especially advanced techniques involving multiple antennas, which tum the traditional single-input single-output channel into a multiple-input multiple-output (MIMO) channel. This is more than a trivial advance, as it stimulates many advanced techniques such as adaptive antennas and coding techniques that take advantage of space as well as time. This is reflected in the addition of two new chapters, one on the theory of MIMO channels, and the other on diversity techniques for mitigating fading. The field of error-control coding has similarly undergone tremendous changes in the past decade, brought on by the invention of turbo codes in 1993 and the subsequent rediscovery of Gallager's low-density parity-check codes. Our treatment of error-control coding has been rewritten to reflect the current state of the art. Other materials have been reorganized and reworked, and three chapters from the previous edition have been moved to the book's Web site to make room.
David Grossman's masterly fusing of vision, thought, and emotion make See Under: Love a luminously imaginative and profoundly affecting work. In this powerful novel by one of Israel's most prominent writers, Momik, the only child of Holocaust survivors, grows up in the shadow of his parents' history. Determined to exorcise the Nazi "beast" from their shattered lives and prepare for a second holocaust he knows is coming, Momik increasingly shields himself from all feeling and attachment. But through the stories his great-uncle tells him—the same stories he told the commandant of a Nazi concentration camp—Momik, too, becomes "infected with humanity." "A dazzling work of imagination."--Michiko Kakutani, The New York Times
Sorkin is right to argue that enlightenment and faith went together for most participants in the Enlightenment, and that this is a major topic that has been relatively neglected. He has written an outstanding and eminently accessible book bringing the whole question centrally to scholars' attention. He skillfully demonstrates that all confessions and religious traditions found themselves very much in a common predicament and sought similar solutions."--Jonathan Israel, Institute for Advanced Study "Powerfully cogent. Sorkin seeks to show that the 'religious Enlightenment' was not a contradiction in terms but was an integral and central part of the Enlightenment. Anyone interested in the history of the Enlightenment in particular or the eighteenth century in general will want to read this book. Sorkin is one of the leading scholars working in the field. His scholarship is as wide as it is deep."--Tim Blanning, University of Cambridge
Liquid crystals are partially ordered systems without a rigid, long-range structure. The study of these materials covers a wide area: chemical structure, physical properties and technical applications. Due to their dual nature -- anisotropic physical properties of solids and rheological behavior of liquids -- and easy response to externally applied electric, magnetic, optical and surface fields liquid crystals are of greatest potential for scientific and technological applications. The subject has come of age and has achieved the status of being a very exciting interdisciplinary field of scientific and industrial research. This book is an outgrowth of the enormous advances made during the last three decades in both our understanding of liquid crystals and our ability to use them in applications. It presents a systematic, self-contained and up-to-date overview of the structure and properties of liquid crystals. It will be of great value to graduates and research workers in condensed matter physics, chemical physics, biology, materials science, chemical and electrical engineering, and technology from a materials science and physics viewpoint of liquid crystals.
This book investigates the question of how matter has evolved since its origin in the Big Bang, from the cosmological synthesis of hydrogen and helium to the generation of the complex set of nuclei that comprise our world and our selves. A central theme is the evolution of gravitationally contained thermonuclear reactors, otherwise known as stars. Our current understanding is presented systematically and quantitatively, by combining simple analytic models with new state-of-the-art computer simulations. The narrative begins with the clues (primarily the solar system abundance pattern), the constraining physics (primarily nuclear and particle physics), and the thermonuclear burning in the Big Bang itself. It continues with a step-by-step description of how stars evolve by nuclear reactions, a critical investigation of supernova explosion mechanisms and the formation of neutron stars and of black holes, and an analysis of how such explosions appear to astronomers (illustrated by comparison with recent observations). It concludes with a synthesis of these ideas for galactic evolution, with implications for nucleosynthesis in the first generation of stars and for the solar system abundance pattern. Emphasis is given to questions that remain open, and to active research areas that bridge the disciplines of astronomy, cosmochemistry, physics, and planetary and space science. Extensive references are given.
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