Charlestown Navy Yard, Historic Resource Study, Volume 3 of 3, 2010 PDF Download

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ISBN:
Category :
Languages : en
Pages : 234

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Author: R. McNeill Alexander
Publisher: Princeton University Press
ISBN: 0691126348
Category : Science
Languages : en
Pages : 384

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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.

Author: Amory B. Lovins
Publisher: Earthscan
ISBN: 9781844071944
Category : Business & Economics
Languages : en
Pages : 340

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Enough about the oil problem. Here?s the solution.Over a few decades, starting now, a vibrant US economy (then others) can completely phase out oil. This will save a net $70 billion a year, revitalize key industries and rural America, create a million jobs, and enhance security.Here?s the roadmap ? independent, peer-reviewed, co-sponsored by the Pentagon ? for the transition beyond oil, led by business and profit.

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Category :
Languages : en
Pages : 206

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Backpacker brings the outdoors straight to the reader's doorstep, inspiring and enabling them to go more places and enjoy nature more often. The authority on active adventure, Backpacker is the world's first GPS-enabled magazine, and the only magazine whose editors personally test the hiking trails, camping gear, and survival tips they publish. Backpacker's Editors' Choice Awards, an industry honor recognizing design, feature and product innovation, has become the gold standard against which all other outdoor-industry awards are measured.

Author: United States. Shipping Board
Publisher:
ISBN:
Category : Merchant marine
Languages : en
Pages : 1126

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Includes the annual report of the United States Shipping Board Emergency Fleet Corporation (called 1927-1933, United States Shipping Board Merchant Fleet Corporation).

Author: Jessica Trounstine
Publisher: Cambridge University Press
ISBN: 1108637086
Category : Political Science
Languages : en
Pages : 287

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Segregation by Design draws on more than 100 years of quantitative and qualitative data from thousands of American cities to explore how local governments generate race and class segregation. Starting in the early twentieth century, cities have used their power of land use control to determine the location and availability of housing, amenities (such as parks), and negative land uses (such as garbage dumps). The result has been segregation - first within cities and more recently between them. Documenting changing patterns of segregation and their political mechanisms, Trounstine argues that city governments have pursued these policies to enhance the wealth and resources of white property owners at the expense of people of color and the poor. Contrary to leading theories of urban politics, local democracy has not functioned to represent all residents. The result is unequal access to fundamental local services - from schools, to safe neighborhoods, to clean water.

Author: United States. Office of the Chief of Naval Operations
Publisher:
ISBN:
Category : World War, 1939-1945
Languages : en
Pages : 332

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Author: Ernest J. King
Publisher: www.Militarybookshop.CompanyUK
ISBN: 9781907521423
Category : History
Languages : en
Pages : 316

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At the beginning of World War II, in the midst of building the United States Navy into a "two-ocean fleet," the Japanese attack on Pearl Harbor put the effectiveness of American sea power in doubt. Three and a half years later, the U.S. Navy was undoubtedly the strongest in the world. In that time, the Japanese fleet had been shattered, the U-Boat threat was a thing of the past, and the Navy had supported the greatest amphibious campaigns in history. "U.S. Navy at War: Official Reports by Fleet Admiral Ernest J. King, U.S.N.," consisting of three reports submitted by Admiral King to the Secretary of the Navy in the course of the war, is an official account of the U.S. Navy's operations in World War II. It provides an authoritative contemporary account of the beginning of the fleet buildup prior to the outbreak of war; the campaigns in the Pacific, Atlantic, and Mediterranean; naval research and development; submarine warfare; and many other aspects of the naval war. In addition, the book provides useful listings of all U.S. ships added to the fleet between December 7, 1941 and October 1, 1945, a list of U.S. ships lost in combat, and another that outlines the status of major combatant ships of the Japanese Navy at the end of the war - a sobering testimony to the overwhelming naval superiority achieved by the United States. Long out of print, "U.S. Navy at War" remains a unique source for anyone interested in the Second World War at sea. Originally published in 1946. 310 pages, ill.

Author: S. Saini
Publisher: Springer Science & Business Media
ISBN: 8847004136
Category : Medical
Languages : en
Pages : 213

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This book describes current examination techniques and advanced clinical applications of state-of-the-art multidetector computed tomography (MDCT) scanners. There are contributions from several distinguished radiologists and clinicians. Each chapter is written from a practical perspective, so that radiologists, residents, medical physicists, and radiology technologists can obtain relevant information about MDCT applications.

Author: Thomas W. Hewitt
Publisher: SAGE Publications
ISBN: 1452261938
Category : Education
Languages : en
Pages : 481

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Book Description
Understanding and Shaping Curriculum: What We Teach and Why introduces readers to curriculum as knowledge, curriculum as work, and curriculum as professional practice. Author Thomas W. Hewitt discusses curriculum from theoretical and practical perspectives to not only acquaint readers with the study of curriculum, but also help them to become effective curriculum practitioners. Key Features: Emphasizes the various dimensions of curriculum practice: Becoming a curriculum practitioner requires understanding academic-practice knowledge, the forces shaping curriculum, the array of curriculum work from policymaking to evaluation, and how those are integrated forming a sense of professional practice. This book examines curriculum knowledge that is both academic and practice based. Brings theoretical concepts to life: ′Perspective into Practice′ sections illustrate the relevance of the material to both elementary and secondary school settings and contexts. In addition, end-of-chapter resources provide ideas for further discussion and assignments that address different roles and the various dimensions of curriculum practice. Examines current issues: Part of being a good practitioner is understanding the inevitability of change and the necessity to keep current about issues and trends that affect both the knowledge and the work of curriculum. Separate chapters on issues and trends give students the opportunity to explore what is happening in today′s schools and curriculum. Intended Audience: This is an ideal text for masters and doctoral-level courses on Curriculum, Curriculum Development, and Curriculum Design.