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Author: David Roger Oldroyd
Publisher: Methuen Publishing
ISBN:
Category : Science
Languages : en
Pages : 428
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Book Description
Author: David Roger Oldroyd
Publisher: Methuen Publishing
ISBN:
Category : Science
Languages : en
Pages : 428
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Book Description
Author:
Publisher: Elsevier
ISBN: 0080551904
Category : Science
Languages : en
Pages : 887
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Book Description
Handbook of Chemometrics and Qualimetrics
Author: Craig Nevin
Publisher: Universal-Publishers
ISBN: 1599423294
Category :
Languages : en
Pages :
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Book Description
This thesis examines the anatomical locations of the dynamic pressures that create the first five footprints when a standing person starts to walk. It is hypothesized that the primary activity starts with the dorsiflexion or lifting of the great toe. Consequently, the metatarsophalangeal region of the forefoot was studied from three directions. Viewed side-on, the great toe free-body is found from a detailed post hoc analysis of previous kinematic data obtained from cadavers to operate as a cam. The cam model also follows closely from Aristotle's ancient description of the hinged instrument of animate motion. Viewed in coronal cross-section, the first metatarsal torsion strength was estimated in 13 humans, 1 gorilla, 3 chimpanzees, 1 orangutan and 1 baboon set of dry-bone specimens of the hands and feet. The first metatarsal bone alone contributes 43% of the total strength of all the metatarsal bones. A result unique amongst the hominids and apes studied. Viewed in horizontal plan, the dynamic components and principle axes of the footprints of 54 barefoot humans (32 male, 22 female, age 32 +-11 years) were studied whilst standing on a 0.5m pressure plate, and then immediately when walking over a 2m plate (4 sensors per cm2 sampled at 100hz). Two footprints were obtained during the initial stance posture, and the first three footprints of the initial walk. Three new principles of animate motion were deduced from the divergent results obtained from complete and dissected cadavers: The metatarsal cam (from the sagittal side view) the ground reaction torque (from the frontal coronal view) and the amputation artifact. The philosophy of experimenting on inanimate cadavers rather than living subjects was intensively researched. Instead of assuming that gait is a uniform or regular motion as is usual, the foot was analyzed rather as if it was a beam attached to the ground. Engineering equations were used to determine the flexural properties of the foot every 0.01 seconds, including the principle axes, radius of gyration and the local shear stresses on the sensors spaced 5-7mm apart. A sequence of these impressions creates a mathematically animated model of the footprint. The local force under the foot was normalized against both the total force and contact duration. The forces under the foot were each divided between 10 anatomical regions using individual masks for each foot strike. Producing a 54-subject database from which the normal behavior of the foot could be quantified. The group showed a surprisingly low right foot step-off dominance of only 54%. The combination of the radius of gyration and impulse in particular produces a succinct but powerful summary of the footprint during dynamic activity. The initial angle and magnitudes of the loads that are applied and removed demonstrates that the body first rocks onto the heels after the instruction to walk is given. The feet simultaneously invert and their arches rise off the ground as anticipated. The principle axes were then animated in a mathematical four-dimensional model. The horizontal radius of gyration is on average 5 cm during heel strike, but increases to 20 cm as the forefoot comes into contact with the ground, finally rising to 25 cm at toe-off. Significantly the applied load during the fore-foot loading phase is more widely distributed than the load being removed. A new and unanticipated result that is believed to be a special characteristic of the animate foot. The standard deviation of the force under the great toe is the first mechanical parameter to converge in the 54 subjects, conclusively verifying the hypothesis that the great toe both initiates and controls gait.
Author: William F. McComas
Publisher: Springer Science & Business Media
ISBN: 9462094977
Category : Education
Languages : en
Pages : 122
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Book Description
The Language of Science Education: An Expanded Glossary of Key Terms and Concepts in Science Teaching and Learning is written expressly for science education professionals and students of science education to provide the foundation for a shared vocabulary of the field of science teaching and learning. Science education is a part of education studies but has developed a unique vocabulary that is occasionally at odds with the ways some terms are commonly used both in the field of education and in general conversation. Therefore, understanding the specific way that terms are used within science education is vital for those who wish to understand the existing literature or make contributions to it. The Language of Science Education provides definitions for 100 unique terms, but when considering the related terms that are also defined as they relate to the targeted words, almost 150 words are represented in the book. For instance, “laboratory instruction” is accompanied by definitions for openness, wet lab, dry lab, virtual lab and cookbook lab. Each key term is defined both with a short entry designed to provide immediate access following by a more extensive discussion, with extensive references and examples where appropriate. Experienced readers will recognize the majority of terms included, but the developing discipline of science education demands the consideration of new words. For example, the term blended science is offered as a better descriptor for interdisciplinary science and make a distinction between project-based and problem-based instruction. Even a definition for science education is included. The Language of Science Education is designed as a reference book but many readers may find it useful and enlightening to read it as if it were a series of very short stories.
Author: Michael Strevens
Publisher: Liveright Publishing
ISBN: 1631491385
Category : Science
Languages : en
Pages : 368
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Book Description
“The Knowledge Machine is the most stunningly illuminating book of the last several decades regarding the all-important scientific enterprise.” —Rebecca Newberger Goldstein, author of Plato at the Googleplex A paradigm-shifting work, The Knowledge Machine revolutionizes our understanding of the origins and structure of science. • Why is science so powerful? • Why did it take so long—two thousand years after the invention of philosophy and mathematics—for the human race to start using science to learn the secrets of the universe? In a groundbreaking work that blends science, philosophy, and history, leading philosopher of science Michael Strevens answers these challenging questions, showing how science came about only once thinkers stumbled upon the astonishing idea that scientific breakthroughs could be accomplished by breaking the rules of logical argument. Like such classic works as Karl Popper’s The Logic of Scientific Discovery and Thomas Kuhn’s The Structure of Scientific Revolutions, The Knowledge Machine grapples with the meaning and origins of science, using a plethora of vivid historical examples to demonstrate that scientists willfully ignore religion, theoretical beauty, and even philosophy to embrace a constricted code of argument whose very narrowness channels unprecedented energy into empirical observation and experimentation. Strevens calls this scientific code the iron rule of explanation, and reveals the way in which the rule, precisely because it is unreasonably close-minded, overcomes individual prejudices to lead humanity inexorably toward the secrets of nature. “With a mixture of philosophical and historical argument, and written in an engrossing style” (Alan Ryan), The Knowledge Machine provides captivating portraits of some of the greatest luminaries in science’s history, including Isaac Newton, the chief architect of modern science and its foundational theories of motion and gravitation; William Whewell, perhaps the greatest philosopher-scientist of the early nineteenth century; and Murray Gell-Mann, discoverer of the quark. Today, Strevens argues, in the face of threats from a changing climate and global pandemics, the idiosyncratic but highly effective scientific knowledge machine must be protected from politicians, commercial interests, and even scientists themselves who seek to open it up, to make it less narrow and more rational—and thus to undermine its devotedly empirical search for truth. Rich with illuminating and often delightfully quirky illustrations, The Knowledge Machine, written in a winningly accessible style that belies the import of its revisionist and groundbreaking concepts, radically reframes much of what we thought we knew about the origins of the modern world.
Author: Larry B. Dendy
Publisher: University of Georgia Press
ISBN: 0820342483
Category : Education
Languages : en
Pages : 223
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Book Description
Through the Arch captures UGA's colorful past, dynamic present, and promising future in a novel way: by surveying its buildings, structures, and spaces. These physical features are the university's most visible--and some of its most valuable--resources. Yet they are largely overlooked, or treated only passingly, in histories and standard publications about UGA. Through text and photographs, this book places buildings and spaces in the context of UGA's development over more than 225 years. After opening with a brief historical overview of the university, the book profiles over 140 buildings, landmarks, and spaces, their history, appearance, and past and current usage, as well as their namesake, beginning with the oldest structures on North Campus and progressing to the newest facilities on South and East Campus and the emerging Northwest Quadrant. Many profiles are supplemented with sidebars relating traditions, lore, facts, or alumni recollections associated with buildings and spaces. More than just landmarks or static elements of infrastructure, buildings and spaces embody the university's values, cultural heritage, and educational purpose. These facilities--many more than a century old--are where students learn, explore, and grow and where faculty teach, research, and create. They harbor the university's history and traditions, protect its treasures, and hold memories for alumni. The repository for books, documents, artifacts, and tools that contain and convey much of the accumulated knowledge and wisdom of human existence, these structures are the legacy of generations. And they are tangible symbols of UGA's commitment to improve our world through education. Guide includes 113 color photos throughout 19 black-and-white historical photos Over 140 profiles of buildings, landmarks, and spaces Supplemental sidebars with traditions, lore, facts, and alumni anecdotes 6 maps
Author: Talib S. Hussain
Publisher: Cambridge University Press
ISBN: 1107051746
Category : Computers
Languages : en
Pages : 571
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Book Description
Leaders in the field of serious games share practical guidelines and lessons learned from researching and developing learning games.
Author: Amber Brian
Publisher: Vanderbilt University Press
ISBN: 0826503810
Category : History
Languages : en
Pages : 225
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Book Description
Modern Language Association's Katherine Singer Kovacs Prize, Honorable Mention, 2016 Born between 1568 and 1580, Alva Ixtlilxochitl was a direct descendant of Ixtlilxochitl I and Ixtlilxochitl II, who had been rulers of Texcoco, one of the major city-states in pre-Conquest Mesoamerica. After a distinguished education and introduction into the life of the empire of New Spain in Mexico, Ixtlilxochitl was employed by the viceroy to write histories of the indigenous peoples in Mexico. Engaging with this history and delving deep into the resultant archives of this life's work, Amber Brian addresses the question of how knowledge and history came to be crafted in this era. Brian takes the reader through not only the history of the archives itself, but explores how its inheritors played as crucial a role in shaping this indigenous history as the author. The archive helped inspire an emerging nationalism at a crucial juncture in Latin American history, as Creoles and indigenous peoples appropriated the history to give rise to a belief in Mexican exceptionalism. This belief, ultimately, shaped the modern state and impacted the course of history in the Americas. Without the work of Ixtlilxochitl, that history would look very different today.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 866
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Book Description
Author: Helen E. Longino
Publisher: Princeton University Press
ISBN: 0691187010
Category : Philosophy
Languages : en
Pages : 246
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Book Description
Helen Longino seeks to break the current deadlock in the ongoing wars between philosophers of science and sociologists of science--academic battles founded on disagreement about the role of social forces in constructing scientific knowledge. While many philosophers of science downplay social forces, claiming that scientific knowledge is best considered as a product of cognitive processes, sociologists tend to argue that numerous noncognitive factors influence what scientists learn, how they package it, and how readily it is accepted. Underlying this disagreement, however, is a common assumption that social forces are a source of bias and irrationality. Longino challenges this assumption, arguing that social interaction actually assists us in securing firm, rationally based knowledge. This important insight allows her to develop a durable and novel account of scientific knowledge that integrates the social and cognitive. Longino begins with a detailed discussion of a wide range of contemporary thinkers who write on scientific knowledge, clarifying the philosophical points at issue. She then critically analyzes the dichotomous understanding of the rational and the social that characterizes both sides of the science studies stalemate and the social account that she sees as necessary for an epistemology of science that includes the full spectrum of cognitive processes. Throughout, her account is responsive both to the normative uses of the term knowledge and to the social conditions in which scientific knowledge is produced. Building on ideas first advanced in her influential book Science as Social Knowledge, Longino brings her account into dialogue with current work in social epistemology and science studies and shows how her critical social approach can help solve a variety of stubborn problems. While the book focuses on epistemological concerns related to the sociality of inquiry, Longino also takes up its implications for scientific pluralism. The social approach, she concludes, best allows us to retain a meaningful concept of knowledge in the face of theoretical plurality and uncertainty.
