If you’re in charge of a network, you’re probably aware that the only time anyone notices the network is when it goes down. With JUNOS software and JUNOS For Dummies, a friendly book to help you set it up and manage the software, you might be able to start convincing your clients to believe in magic. Here’s the help you need for switching, routing, security, interface configuration, and more. Now, you can go inside JUNOS software and understand everything you need to know about operating a network with JUNOS. You’ll learn how the control plane handles packet delivery and establishes traffic policies and see how a single network operating system can add stability and reliability while saving administrative time. Plus, you’ll find out how to set up a routing protocol that automates configuration of routing tables for greater efficiency and how you can set up individual or group user accounts locally on the route, or on remote centralized authentication servers. By the time you finish this book, you’ll know how to: Work with the JUNOS network operating system Set up and configure a Juniper router Connect, manage, and troubleshoot routers and other Juniper appliances Make your network more efficient Configure JUNOS default security features as well as restricted physical access to protect routers Solve hardware, software, interface, and router problems Integrate JUNOS with other systems Complete with lists of the most useful commands, IOS-JUNOS command conversions, and the best place to seek additional help, JUNOSFor Dummies is your one-stop guide to getting started with and mastering JUNOS.
If you’re in charge of a network, you’re probably aware that the only time anyone notices the network is when it goes down. With JUNOS software and JUNOS For Dummies, a friendly book to help you set it up and manage the software, you might be able to start convincing your clients to believe in magic. Here’s the help you need for switching, routing, security, interface configuration, and more. Now, you can go inside JUNOS software and understand everything you need to know about operating a network with JUNOS. You’ll learn how the control plane handles packet delivery and establishes traffic policies and see how a single network operating system can add stability and reliability while saving administrative time. Plus, you’ll find out how to set up a routing protocol that automates configuration of routing tables for greater efficiency and how you can set up individual or group user accounts locally on the route, or on remote centralized authentication servers. By the time you finish this book, you’ll know how to: Work with the JUNOS network operating system Set up and configure a Juniper router Connect, manage, and troubleshoot routers and other Juniper appliances Make your network more efficient Configure JUNOS default security features as well as restricted physical access to protect routers Solve hardware, software, interface, and router problems Integrate JUNOS with other systems Complete with lists of the most useful commands, IOS-JUNOS command conversions, and the best place to seek additional help, JUNOSFor Dummies is your one-stop guide to getting started with and mastering JUNOS.
Here's just what you need to get your network running smoothly and securely on Janos. This guide will help you configure, add key services, enhance security, and make your network more efficient --
In this second volume of Michael Weeks’ thoroughly researched guide to the battlefields of the Civil War, you will find complete tours of every major military campaign in the region from 1863 to 1865. In this second volume of Michael Weeks' thoroughly researched guide to the battlefields of the Civil War, you will find complete tours of every major military campaign in the region from 1863 to 1865, from the battles immediately following the great clash at Gettysburg to the fall of Richmond and the Appomattox campaign. Detailed directions and maps, along with a detailed history of each campaign, will guide you to and through some of the war's most critical battlegrounds, including The Wilderness, Spotsylvania, Cold Harbor, Petersburg, Lynchburg and the battle for Richmond. A section devoted to commands and commanders tells the life stories of the famous and the little-known; an explanation of military structure, orders of battle, and the various military units helps you keep track of the course of events and the key players. Travel tips and further sources of information are also included to help your explorations run smoothly.
With more than 1,000 high-quality radiographs and illustrations, this bestselling book visually demonstrates the basic principles of oral and maxillofacial radiology as well as effective clinical application. You’ll be able to diagnose and treat patients effectively with the coverage of imaging techniques, including specialized techniques such as MRI and CT, and the comprehensive discussion of the radiographic interpretation of pathology. The book also covers radiation physics, radiation biology, and radiation safety and protection — helping you provide state-of-the-art care! A consistent format makes it easy to follow and comprehend clinical material on each pathologic condition, including a definition, synonyms, clinical features, radiographic features, differential diagnosis, and management/treatment. Updated photos show new equipment and radiographs in the areas of intraoral radiographs, normal radiographic anatomy, panoramic imaging, and advanced imaging. Updated Digital Imaging chapter expands coverage of PSP plates and its use in cephalometric and panoramic imaging, examining the larger latitudes of photostimulable phosphor receptors and their linear response to the five orders of magnitude of x-ray exposure. Updated Guidelines for Prescribing Dental Radiographs chapter includes the latest ADA guidelines, and also discusses the European Guidelines. Updated information on radiographic manifestations of diseases in the orofacial region includes the latest data on etiology and diagnosis, with an emphasis on advanced imaging. Expert contributors include many authors with worldwide reputations. Cone Beam Computed Tomography chapter covers machines, the imaging process, and typical clinical applications of cone-beam imaging, with examples of examinations made from scans. Evolve website adds more coverage of cases, with more examples of specific issues.
With its fiery crosses and nightriders in pointed hoods and flowing robes, the Ku Klux Klan remains a recurring nightmare in American life. What began in the earliest post-Civil War days as a social group engaging in drunken hijinks at the expense of perceived inferiors soon turned into a murderous paramilitary organization determined to resist the "evils" of radical Reconstruction. For six generations and counting, the Klan has inflicted misery and death on countless victims nationwide and since the early 1920s, has expanded into distant corners of the globe. From the Klan's post-Civil War lynchings in support of Jim Crow laws, to its bloody stand against desegregation during the 1960s, to its continued violence in the militia movement at the turn of the 21st century, this revealing volume chronicles the complete history of the world's oldest surviving terrorist organization from 1866 to the present. The story is told without embellishment because, as this work demonstrates, the truth about the Ku Klux Klan is grim enough.
LONGLISTED FOR THE NATIONAL BOOK AWARD • NAMED ONE OF THE BEST BOOKS OF THE YEAR BY KIRKUS REVIEWS • In this moving, lyrical, and ultimately uplifting collection of essays, Michael Paterniti turns a keen eye on the full range of human experience, introducing us to an unforgettable cast of everyday people. Michael Paterniti is one of the most original and empathic storytellers working today. His writing has been described as “humane, devastating, and beautiful” by Elizabeth Gilbert, “spellbinding” by Anthony Doerr, and “expansive and joyful” by George Saunders. In the seventeen wide-ranging essays collected for the first time in Love and Other Ways of Dying, he brings his full literary powers to bear, pondering happiness and grief, memory and the redemptive power of human connection. In the remote Ukranian countryside, Paterniti picks apples (and faces mortality) with a real-life giant; in Nanjing, China, he confronts a distraught jumper on a suicide bridge; in Dodge City, Kansas, he takes up residence at a roadside hotel and sees, firsthand, the ways in which the racial divide turns neighbor against neighbor. In each instance, Paterniti illuminates the full spectrum of human experience, introducing us to unforgettable everyday people and bygone legends, exploring the big ideas and emotions that move us. Paterniti reenacts François Mitterrand’s last meal in a rustic dining room in France and drives across America with Albert Einstein’s brain in the trunk of his rental car, floating in a Tupperware container. He delves with heartbreaking detail into the aftermath of a plane crash off the coast of Nova Scotia, an earthquake in Haiti, and a tsunami in Japan—and, in searing swirls of language, unearths the complicated, hidden truths these moments of extremity teach us about our ability to endure, and to love. Michael Paterniti has spent the past two decades grappling with some of our most powerful subjects and incomprehensible events, taking an unflinching point of view that seeks to edify as it resists easy answers. At every turn, his work attempts to make sense of both love and loss, and leaves us with a profound sense of what it means to be human. As he writes in the Introduction to this book, “The more we examine the grooves and scars of this life, the more free and complete we become.” Praise for Michael Paterniti and Love and Other Ways of Dying “One of the best books I’ve read all year . . . These pieces are exceptional artifacts of literary journalism.”—Mark O’Connell, Slate “These pieces are extraordinary. . . . Journalism elevated beyond its ordinary capacities, well into the realm of literature.”—Columbia Journalism Review “A fearless, spellbinding collection of inquiries by a brilliant, globally minded essayist whose writing is magic and whose worldview brims with compassion . . . The size of Michael Paterniti’s curiosity is matched only by the size of his heart.”—Anthony Doerr, author of All the Light We Cannot See “Michael Paterniti is a genius.”—Elizabeth Gilbert, author of The Signature of All Things “One of the best living practitioners of the art of literary journalism, able to fully elucidate and humanize the everyday and the epic.”—Dave Eggers, author of The Circle “In each of these essays, Michael Paterniti unveils life for us, the beauty and heartbreak of it, as we would never see it ourselves but now can never forget it. Paterniti is brilliant—a rare master—and one of my favorite authors on earth.”—Lily King, author of Euphoria
Encourages readers to think critically about their food choices, and choose what they eat and where it comes from with attention to the effect on the environment.
Using widely scattered and previously unknown primary sources, Parrish's biography of Confederate general Richard Taylor presents him as one of the Civil War's most brilliant generals, eliciting strong performances from his troops in the face of manifold obstacles in three theaters of action.
Leadership in American Academic Geography: The Twentieth Century examines the practice of leadership in the most influential geography departments in the United States. Throughout the twentieth century, transformational leaders often emerged as inspirational department chairs, shaping the content and nature of the discipline and establishing models of leadership, often fueling the success of programs and sparking shifts in paradigms. Yet, on occasion, departmental chairmanships fell to individuals marked by laissez faire attributes, lapses in integrity, or autocratic behaviors, which at times led to disaster. Effective leaders within key academic departments played imperative roles in the discipline’s prosperity, and in contrast, mediocrity in leadership contributed to periods of austerity. Michael S. DeVivo aims to offer not only a historical perspective on the geographic discipline, but also insight to leaders in geography, today and in the future, so that they might be able to avoid failure and instead develop strategies for success by recognizing effective leadership behaviors that foster high levels of achievement.
A fresh and surprising look at the American Civil War through pinhole camera photographs of sesquicentennial battlefield reenactments In 2011, Michael Falco set out to document the American Civil War's 150th anniversary by photographing reenactments of more than 20 major battles—from the First Manassas, Antietam, and Chancellorsville to Gettysburg, Vicksburg, and Appomattox. But rather than shooting these historic re-creations in high-definition, Falco opted for a different, older medium: a pinhole camera. This antebellum photographic technology, shot from an on-the-ground perspective, captures these battlefields in a way that feels more “real” and fully realized than even the famous daguerrotypes made during the war itself. In Falco's transporting photographs, the smoke-filled battle reenactments become blurred and dreamlike, echoing the sentiments found in the actual letters and journals of soldiers who fought and died there. Throughout, historical photographs from the period offer context to the modern-day re-creations, showing just how much—or how little—has changed on this hallowed ground. One hundred and fifty years after the last soldier fell, Echoes of the Civil War provides beautiful and compelling evidence of a Civil War landscape that is, literally and metaphorically, still with us.
Has the significance of the Shenandoah Valley during the Civil War been overestimated? An extensive array of primary sources--including Philip Sheridan's official report--point to this revisionist conclusion.
Consistently lauded for its comprehensiveness and full-color color presentation, the latest edition of Rheumatology by Marc C. Hochberg, MD, MPH et al. continues the tradition of excellence of previous editions. Designed to meet the needs of the practicing clinician, it provides extensive, authoritative coverage of rheumatic disease from basic scientific principles to practical points of clinical management in a lucid, logical, user-friendly manner. Find the critical answers you need quickly and easily thanks to a consistent, highly user-friendly format covering all major disorders of the musculoskeletal system in complete, self-contained chapters. Get trusted perspectives and insights from chapters co-authored by internationally renowned leaders in the field, 25% of whom are new to this edition. Track disease progression and treat patients more effectively with the most current information, including 22 new chapters on genetic findings, imaging outcomes, and cell and biologic therapies as well as rheumatoid arthritis and SLE. Incorporate the latest findings about pathogenesis of disease; imaging outcomes for specific diseases like RA, osteoarthritis, and spondyloarthropathies; cell and biologic therapies; and other timely topics.
The Complete Civil War Road Trip Guide is the definitive guidebook for Civil War tourists, from the novice historian to the die-hard Civil War buff. The book outlines ten suggested itineraries for short road trips that cover every major battle of the war that will enable a traveler to experience this definitive period of American history. For those who can’t resist trying to see it all, the book contains complete information on and reviews of almost 450 historical sites across the United States related to the Civil War, including all 384 of the principal battlefields listed by the Civil War Sites Advisory Commission, as well as lodging and other travel information. The Complete Civil War Road Trip Guide will enable the historical traveler of any level to experience the Civil War like no other book has done.
To Pass On a Good Earth is the candid and compelling new biography of one of the twentieth century’s most distinctive and influential scholars. The legendary "Great God beyond the Sierras," Carl Ortwin Sauer is America’s most famed geographer, an inspiration to both academics and poets, yet no book-length biography of him has existed until now. This Missouri-born son of German immigrants contributed to many fields, with a versatility rare in his time and virtually unknown today. Sauer explored plant and animal domestication, the entry of Native Americans into the continent, their transformation of the land into prairies and cultivated fields, and subsequent European enterprise that fueled prosperity but also triggered environmental degradation and the loss of cultural diversity. Providing profound and invaluable insights into the human occupance, cultivation--and often ruination--of the earth, Sauer revolutionized our understanding of the impact of European conquest of the New World. Author and fellow geographer Michael Williams had access to Sauer’s voluminous correspondence in the Bancroft Library at Berkeley and in family collections. Enlivened by these intimate letters to family and colleagues, To Pass On a Good Earth reveals the rare qualities of mind and heart that made Sauer one of America’s most treasured--as well as troubled--intellectual pioneers. He brought both historical rigor and humanistic understanding to the burgeoning environmental movement and ceaselessly championed an ecumenical approach in an age of increasing specialization.
“[A] stirring narrative of the common soldier’s experiences on the southern end of the battlefield on the second day of fighting at Gettysburg.” —Civil War News “Stand to It and Give Them Hell” chronicles the Gettysburg fighting from Cemetery Ridge to Little Round Top on July 2, 1863, through the letters, memoirs, diaries, and postwar recollections of the men from both armies who struggled to control that “hallowed ground.” John Michael Priest, dubbed the “Ernie Pyle” of the Civil War soldier by legendary historian Edwin C. Bearss, wrote this book to help readers understand and experience, as closely as possible through the written word, the stress and terror of that fateful day in Pennsylvania. Nearly sixty detailed maps, mostly on the regimental level, illustrate the tremendous troop congestion in the Wheatfield, the Peach Orchard, and Devil’s Den. They accurately establish, by regiment or company, the extent of the Federal skirmish line from Ziegler’s Grove to the Slyder farm and portray the final Confederate push against the Codori farm and the center of Cemetery Ridge, which three Confederate divisions—in what is popularly known as Pickett’s Charge—would unsuccessfully attack on the final day of fighting. “‘Stand to It and Give Them Hell’ puts a human face on the second day of the nation’s epic Civil War battle . . . Mike Priest has taken a familiar story and somehow made it fresh and new. It is simply first-rate.” —Lance J. Herdegen, award-winning author of Union Soldiers in the American Civil War “Remarkable . . . Priest’s distinctive style is rife with anecdotes, many drawn from obscure diaries and letters, artfully stitched together in an original manner.” —David G. Martin, author of The Shiloh Campaign
Now in its second volume, Regreening the Built Environment provides an overview of physical and social environmental challenges that the planet is facing and presents solutions that restore ecological processes, reclaim open space, foster social equity, and facilitate a green economy. Healing the planet requires a combination of strategies networked across multiple scales of development, including buildings, sites, communities, and regions. Case studies from a range of locations in the United States, Denmark, Vietnam, Germany, South Korea, Switzerland, France, and the United Kingdom, among others, demonstrate how existing gray infrastructure can be retrofitted with green infrastructure and low-impact development techniques. From this, the author shows how a building can be designed that creates greenspace or generates energy; likewise, a roadway can be a parkway, an alley can be a wildlife corridor, and a parking surface can be a garden. This new edition also includes case studies that have successfully reconnected communities that were fragmented by unjust planning practices and irresponsible patterns of development, resilient design solutions in response to natural disasters, passive design strategies that can make interior spaces more efficient and healthier, and expanded discussions on capturing carbon, renewable energy, agriculture, waste, public transit, and adaptive reuse, including innovative ideas on how to reimagine the shopping mall in the era of e-commerce. The strategies presented in this book will stimulate discussions within the design profession and will be of great interest to students and practitioners of environmental studies, architecture, landscape architecture, and urban design.
Publisher's Note: Products purchased from 3rd Party sellers are not guaranteed by the Publisher for quality, authenticity, or access to any online entitlements included with the product. Combining a reader-friendly textbook and a rich, full-color atlas, this bestselling resource equips medical, dental, health professions, and undergraduate biology and cell biology students with a comprehensive grasp of the clinical and functional correlates of histology and a vivid understanding of the structural and functional details of cells, tissues, and organs. Updated content throughout the text reflects the latest advances in cellular and molecular biology, accompanied by large, high-resolution illustrations and full-color photomicrographs that clarify microanatomy in vibrant detail. Ideal for integrated curriculums as well as standalone histology courses, this proven approach is accompanied by popular pedagogical features that distill complex information and help students save time.
Gideon Morris, for whom the town is named, was granted a tract of land by North Carolina in 1787. The settlement flourished because important early travel routes intersected here, and in 1855 Morristown was officially incorporated. The city's continued growth coincided with the coming of the railroad to east Tennessee. Over the next 50 years, Morristown blossomed into a retail center for surrounding communities. Influences of war heroes, entrepreneurs, musicians, early aviators, and other big-time personalities have stemmed from the town's humble beginnings. Civil War battles such as the Battle of Morristown and Gilliam's Stampede were fought here. In the 1940s, during the height of World War II, the Tennessee Valley Authority created Cherokee Reservoir in order to help meet its emergency energy demands. Today, the downtown SkyMart system is world famous for its unique design of second-level sidewalks.
Ecology of Estuaries represents the most definitive and comprehensive source of reference information available on the human impact on estuarine ecosystems. The volume discusses both acute and insidious pollution problems plaguing these coastal ecotones. It also provides a detailed examination of the deleterious and pervasive effects of human activities on biotic communities and sensitive habitat areas in estuaries. Specific areas covered include organic loading, oil pollution, polynuclear aromatic hydrocarbons, chlorinated hydrocarbons, heavy metals, dredging and dredged-spoil disposal, radionuclides, as well as other contaminants and processes. The diverse components of these anthropogenic influences are assembled in an organized framework and presented in a clear and concise style that facilitates their understanding.
Why so many of America's public university students are not graduating—and what to do about it The United States has long been a model for accessible, affordable education, as exemplified by the country's public universities. And yet less than 60 percent of the students entering American universities today are graduating. Why is this happening, and what can be done? Crossing the Finish Line provides the most detailed exploration ever of college completion at America's public universities. This groundbreaking book sheds light on such serious issues as dropout rates linked to race, gender, and socioeconomic status. Probing graduation rates at twenty-one flagship public universities and four statewide systems of public higher education, the authors focus on the progress of students in the entering class of 1999—from entry to graduation, transfer, or withdrawal. They examine the effects of parental education, family income, race and gender, high school grades, test scores, financial aid, and characteristics of universities attended (especially their selectivity). The conclusions are compelling: minority students and students from poor families have markedly lower graduation rates—and take longer to earn degrees—even when other variables are taken into account. Noting the strong performance of transfer students and the effects of financial constraints on student retention, the authors call for improved transfer and financial aid policies, and suggest ways of improving the sorting processes that match students to institutions. An outstanding combination of evidence and analysis, Crossing the Finish Line should be read by everyone who cares about the nation's higher education system.
During the Civil War, the Confederate government passed legislation creating a national military academy and establishing the rank of Cadet. The national military college was unnecessary because the Confederacy already possessed numerous state military colleges However, the Confederate government failed to properly engage these individual state schools by providing curriculum recommendations or commissioning their graduates. This shortsighted and domineering attitude by the Confederate government ensured that the military colleges failed in their mission to produce a large number of officers for the Confederate army. It was the state governments (especially Virginia and South Carolina), not the Confederacy, that realized the importance that military colleges in the Confederacy and kept them operating with very little Confederate support. Virginia made a conscious decision to keep VMI open, not as a short term “officer candidate school,” but with her four-year military and academic curriculum intact. Supporting the school both militarily and financially, VMI produced the most officers of the southern military colleges for service in the Confederate army. Additionally, the cadets themselves were used as a military unit by the Confederate and state governments numerous times in the war.
Sports are ubiquitous in American society, and given their prominence in the culture, it is easy to understand how most youth in the United States face pressure to participate in organized sports. But what does this mean for the hundreds of thousands of Americans who live with one or more physical disabilities and, in particular, those in powered wheelchairs? Located at the intersection of sports and disability, this book tells the story of power soccer - the first competitive team sport specifically designed for electric wheelchair users. Beginning in France in the 1970s, today, over sixty teams compete within the United States Power Soccer Association (USPSA) and the sport is actively played in over thirty countries. Using ethnographic research conducted while attending practices, games, and social functions of teams from across the nation, Jeffress builds a strong case that electric wheelchair users deserve more opportunity to play sports. They deserve it because they need the same physical and psychosocial benefits from participation as their peers, who have full use of their arms and legs. It challenges the social constructions and barriers that currently stand in the way. Most importantly, this book tells the story of some amazing power soccer athletes. It is a moving, first-hand account of what power soccer means to them and the implications this has for society.
This book provides an in-depth discussion of various aspects of metal ecotoxicology. State-of-the-art information and techniques in areas ranging from metal behavior in surface waters to bioaccumulation kinetics and toxicokinetics to community effects are presented in a hierarchical arrangement. Specific topics discussed include metals in abiotic components of ecosystems, autecology (effects of metals relative to the individual or a single species), and metals in marine and freshwater systems in the context of synecology (species associated and interacting as a unit). This is an important book that will be useful to researchers, risk assessment consultants, regulatory personnel, and teachers and students.
Pollution of estuaries and coastal marine waters is of profound ecological and societal importance. These coastal environments serve as critical habitat for a multitude of organisms and are of great commercial and recreational value to humans. Designed to meet the research, monitoring, and assessment needs of scientists, administrators, planners, and managers, Pollution Impacts on Marine Biotic Communities is a uniquely comprehensive reference covering pollution in coastal marine and estuarine waters. The book provides a detailed look at the short- and long-term impacts of pollutants on these ecologically important regions. Case studies that reflect a broad range of pollution problems are analyzed, outlining the real-life issues and providing solutions to common problems. Despite being highly sensitive systems, estuarine and coastal marine environments have served as repositories for dredge spoils, sewage sludge, and industrial and municipal effluents for many decades. The adverse effects of these pollutants are only now being fully realized and understood. Pollution Impacts on Marine Biotic Communities includes a basic introduction to the subject of pollution in estuarine and marine environments and also a detailed examination of specific marine pollutants. Both the coverage and the format - which includes abundant illustrations and tables - make this book a valuable reference for scientists, administrators, and students engaged in coastal research and planning.
The definitive guidebook for Civil War tourists, from the novice historian to the die-hard buff For those who can’t resist trying to see it all, this indispensable book contains information on and reviews of almost 450 historical sites across the United States related to the Civil War, including all 384 of the principal battlefields listed by the Civil War Sites Advisory Commission. Every entry includes an in-depth overview of the history of the battle and its importance to the war, the must-see places at each site, as well as lodging and other travel information. Outlining ten suggested itineraries for short road trips that cover every major battle of the war, The Complete Civil War Road Trip Guide enables historical travelers of any level to experience the Civil War as no other book has done.
A History of American Music Education covers the history of American music education, from its roots in Biblical times through recent historical events and trends. It describes the educational, philosophical, and sociological aspects of the subject, always putting it in the context of the history of the United States. It offers complete information on professional organizations, materials, techniques, and personalities in music education.
This book offers the reader sound advice on how to perform optimal conventional pediatric radiographs and how to obtain quick and easy organ dose estimates in order to improve the optimization process in pediatric imaging. Clear guidelines are provided for minimization of the radiation exposure of children through optimization of the radiation exposure conditions, and conversion coefficients are presented for calculation of the organ doses achieved in organs and tissues during conventional pediatric radiography, taking into consideration both optimal and suboptimal radiation field settings. Previously published conversion coefficients have failed to represent the variation in radiation field settings in daily clinical routine, which has made it difficult for the pediatric radiologist to estimate the impact of the field settings on absorbed doses in organs and tissues. The aim of this book, co-written by a pediatric radiologist, a physician and physicist, and a medical radiation technologist, is to address this issue by providing, for the first time, a thorough overview of clinical radiation field settings and their implications for radiation protection. An accompanying volume is devoted to fluoroscopy.
Since the early 1960's, the field of medical imaging has experienced explosive growth due to the development of three new imaging modalities-radionuclide imaging, ultrasound, and magnetic resonance imaging. Along with X-ray, they are among the most important clinical diagnostic tools in medicine today. Additionally, the digital revolution has played a major role in this growth, with advances in computer and digital technology and in electronics making fast data acquisition and mass data storage possible. This text provides an introduction to the physics and instrumentation of the four most often used medical imaging techniques. Each chapter includes a discussion of recent technological developments and the biological effects of the imaging modality. End-of-chapter problem sets, lists of relevant references, and suggested further reading are presented for each technique. X-ray imaging, including CT and digital radiography Radionuclide imaging, including SPECT and PET Ultrasound imaging Magnetic resonance imaging
Gold. Copper. Iron. Metal working in Africa has been the subject of both popular lore and extensive archaeological investigation. In this volume, four leading archaeologists attempt to provide a complete synthesis of current debates and understandings: When, how and where was metal first introduced to the continent? How were iron and copper tools, implements, and objects used in everyday life, in trade, in political and cultural contexts? What role did metals play in the ideological systems of precolonial African peoples? Substantive chapters address the origins of African metal working and analyze the specific uses, technology, and ideology of both copper and iron. An ethnoarchaeological account in the words of a contemporary iron worker enriches the archaeological explanations. The volume will be of great value to scholars and students of archaeology, African history, and the history of technology.
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