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How can geckoes walk on the ceiling and basilisk lizards run over water? What are the aerodynamic effects that enable small insects to fly? What are the relative merits of squids' jet-propelled swimming and fishes' tail-powered swimming? Why do horses change gait as they increase speed? What determines our own vertical leap? Recent technical advances have greatly increased researchers' ability to answer these questions with certainty and in detail. This text provides an up-to-date overview of how animals run, walk, jump, crawl, swim, soar, hover, and fly. Excluding only the tiny creatures that use cilia, it covers all animals that power their movements with muscle--from roundworms to whales, clams to elephants, and gnats to albatrosses. The introduction sets out the general rules governing all modes of animal locomotion and considers the performance criteria--such as speed, endurance, and economy--that have shaped their selection. It introduces energetics and optimality as basic principles. The text then tackles each of the major modes by which animals move on land, in water, and through air. It explains the mechanisms involved and the physical and biological forces shaping those mechanisms, paying particular attention to energy costs. Focusing on general principles but extensively discussing a wide variety of individual cases, this is a superb synthesis of current knowledge about animal locomotion. It will be enormously useful to advanced undergraduates, graduate students, and a range of professional biologists, physicists, and engineers.
Many artists are unsure how to bridge the gap between the many basic 'how to draw' books and the more advanced ones dealing with the esoteric details of composition, perspective and anatomy. Force: Animal Drawing is the comprehensive guide to developing artistic animals that are creative, dynamic and anatomical, bridging the gap between foundational art and advanced techniques. Artists and animators alike all find animal inspiration when animating characters- be they human or inhuman. For a unique 'larger than life' character, readers will learn to apply the unique facets of animal movement, locomotion, expressions, facial features, physical build and personality to their traditional and digital art. Readers will also adapt key industry tricks and techniques to personify animal animations with key characteristics of a human's face. Explore the practical application of force theories and learn from today's leading character designers with the included artist interviews and an extended video tutorial via www.drawingforce.com.
Photographer Eadweard Muybridge (1830–1904), often termed the father of the motion picture, presented his iconic Animal Locomotion series in 1887. Produced under the auspices of the University of Pennsylvania and encompassing thousands of photographs of humans and animals in motion, the series included more than 300 plates of nude men and women engaged in activities such as swinging a baseball bat, playing leapfrog, and performing housework—an astonishing fact given the period’s standards of propriety. In the first sustained examination of these nudes and the remarkable success of their production, wide circulation, and reception, Indecent Exposures positions this revolutionary enterprise as central to crucial advancements of the modern era. Muybridge’s nudes ushered in new attitudes toward science and progress, including Darwinian ideas about human evolution and hierarchy; quickened debates over the role of photography and scientific investigation in art; and offered innovative perspectives on the human body. This fascinating story is copiously illustrated, and includes many lesser-known photographs published here for the first time.
Available for the first time in paperback, this volume contains text with translation of De Motu Animalium, Aristotle's attempt to lay the groundwork for a general theory of the explanation of animal activity, along with commentary and interpretive essays on the work.
More than 4,000 photographs in series and stopped action of horses, cats, lions, deer, kangaroos, etc. Indispensable for animal artists. Classic of 19th-century photography. "Impressive and valuable collection." — Scientific American.
This work presents a brilliant study of some phases of animal movements. The writer has attempted to explain the information straightforwardly, avoiding technicalities to help the readers grasp information quickly.
Discovering the secrets of animal movement and what they can teach us Insects walk on water, snakes slither, and fish swim. Animals move with astounding grace, speed, and versatility: how do they do it, and what can we learn from them? In How to Walk on Water and Climb up Walls, David Hu takes readers on an accessible, wondrous journey into the world of animal motion. From basement labs at MIT to the rain forests of Panama, Hu shows how animals have adapted and evolved to traverse their environments, taking advantage of physical laws with results that are startling and ingenious. In turn, the latest discoveries about animal mechanics are inspiring scientists to invent robots and devices that move with similar elegance and efficiency. Hu follows scientists as they investigate a multitude of animal movements, from the undulations of sandfish and the way that dogs shake off water in fractions of a second to the seemingly crash-resistant characteristics of insect flight. Not limiting his exploration to individual organisms, Hu describes the ways animals enact swarm intelligence, such as when army ants cooperate and link their bodies to create bridges that span ravines. He also looks at what scientists learn from nature’s unexpected feats—such as snakes that fly, mosquitoes that survive rainstorms, and dead fish that swim upstream. As researchers better understand such issues as energy, flexibility, and water repellency in animal movement, they are applying this knowledge to the development of cutting-edge technology. Integrating biology, engineering, physics, and robotics, How to Walk on Water and Climb up Walls demystifies the remarkable mechanics behind animal locomotion.
Animal Locomotion: Physical Principles and Adaptations is a professional-level, state of the art review and reference summarizing the current understanding of macroscopic metazoan animal movement. The comparative biophysics, biomechanics and bioengineering of swimming, flying and terrestrial locomotion are placed in contemporary frameworks of biodiversity, evolutionary process, and modern research methods, including mathematical analysis. The intended primary audience is advanced-level students and researchers primarily interested in and trained in mathematics, physical sciences and engineering. Although not encyclopedic in its coverage, anyone interested in organismal biology, functional morphology, organ systems and ecological physiology, physiological ecology, molecular biology, molecular genetics and systems biology should find this book useful.