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In Long Hops, physicist Mark Denny explains, in a clear, conversational style, the science of bird migration—from the intricacies of bird aeronautics to the newly unraveled mysteries of their magnetic compasses. While providing wherever possible examples of indigenous Hawaiian species, the book surveys the migration phenomenon as a whole, showing that birds are breathtaking works of engineering with spectacular capabilities for long-distance flights. Each year thousands of these hardy migrants fly 2,500 miles nonstop from Alaska to Hawai‘i. How do they endure such marathon journeys, and how on earth do they know which direction to travel over featureless ocean? In fact, many migratory journeys, in all parts of the world and performed by birds as small as warblers and as large as swans, cover much longer distances. After answering the “who, why, where, when” questions, Denny focuses on the questions of how: how researchers study bird migration; how they gather data from old-fashioned bird banding, high-tech satellite tracking, and other techniques; and—above all—how the birds do it. Throughout the book, concepts such as the physics of bird flight and the role of physical geography on navigation are explained in a relatively math-free way. Denny also examines past adaptations migrating birds have made to changing environments and the challenges they face in the future, as the world beneath them faces rapid climate change exacerbated by human activity.
Out of the Hay and Into the Hops by Celia Cordle Pdf
"Out of the Hay and into the Hops explores the history and development of hop cultivation in the Weald of Kent together with the marketing of this important crop in the Borough at Southwark (where a significant proportion of Wealden hops were sold). A picture emerges of the relationship between the two activities, as well as of the impact this rural industry had upon the lives of the people engaged in it. Dr Cordle draws extensively on personal accounts of hop work to evoke a way of life now lost for good. Oral history, together with evidence from farm books and other sources, records how the steady routine of hop ploughing and dung spreading, weeding and spraying contrasted with the bustle and excitement of hop picking (bringing in, as it did, many itinerant workers from outside the community to help with the harvest) and the anxious period of drying the crop. For hops, prey to the vagaries of weather and disease, needed much care and attention to bring them to fruition. In early times their cultivation provided work for more people than any other crop. The diverse processes of hop cultivation are examined within the wider context of events such as the advent of rail and the effects of war, as are changes to the working practices and technologies used, and their reception and implementation in the Weald. Meanwhile, in the Borough, an enclave of hop factors and merchants, whose interests sometimes conflicted with those of the hop growers, arose and then suffered decline. A full account of this trade is presented, including day-to-day working practices, links with the Weald, and the changes in hop marketing following Britain's entry into the European Economic Community. This book provides readers with a fascinating analysis of some three hundred years of hop history in the Weald and the Borough. Hops still grow in the Weald; in the Borough, the Le May facade and the gates of the Hop Exchange are reminders of former trade."--Book description.
The Culinary Herbal by Susan Belsinger,Arthur O. Tucker Pdf
“This fresh new masterpiece excites the senses!” —Rosemary Gladstar, herbalist and bestselling author Good cooks know that when it comes to herbs, there is nothing better than harvesting them fresh from the garden. The Culinary Herbal highlights 97 delicious varieties—like black cumin, fenugreek, lemon balm, and sassafras—that every food lover will want to add to their kitchen garden. In this gorgeously photographed guide, you will learn which herbs offer the most flavor, how to grow them at home, and how to put them to use. Plant profiles are organized alphabetically by herb type and include basic growing information, flavor notes, and culinary uses. Additional information includes step-by-step instructions for harvesting, preserving, and storing, along with techniques for making pastes, syrups, vinegars, and butters.
"Hops: Historic Photographs of the Oregon Hopscape is a visual dive into the physical presence of a plant that many people discuss but few could identify. Oregon was once the leading producer of hops in the United States (a title now held by Washington). Kenny Helphand has scoured archives across the state to bring together historic photos of hop pickers in the late nineteenth and early twentieth centuries. Hops brings to life pickers of all backgrounds, through different eras of agricultural practice. Here are children, nuns, families, immigrants, and college students in fields, hop driers, and tent camps. The photos range from the candid to the highly professional - including five images from Dorothea Lange's iconic Farm Service Administration work. The 85 high quality photos are accompanied by captions that provide, variously, historical background, selections from oral histories, and visual guidance. A historical essay gives interested readers a short overview of the plant's history and the world of hop growing and picking"--
Author : R. A. Neve Publisher : Springer Science & Business Media Page : 270 pages File Size : 55,5 Mb Release : 2012-12-06 Category : Science ISBN : 9789401131063
It is 25 years since Dr Burgess wrote his invaluable book on hops and in the intervening period there have been very many advances in hop research and hop production techniques. When invited to produce a replacement for that book, therefore, the problem was not finding enough new material but deciding on what to include. People interested in reading about the hop are likely to fall into very diverse categories. Hop growers will be looking for practical advice on production methods while research workers with specialist knowledge in one field may want detailed information about research in other disciplines. In addition, there are many people for whom hops are of much more general interest and for them a source of basic information about the crop will be required. The aim has not been to produce a detailed growers' handbook, since techniques vary considerably from district to district and I believe that it is better to obtain advice from neighbouring growers or from specialist advisers than from any book. What I have attempted is to outline the basic principles upon which production methods should be based. At the same time, I have tried to include material that will be of general interest both to those who work with hops and to those to whom they might otherwise remain a complete mystery. In doing this my own personal interests have inevitably played an important part.
It is difficult to believe that at one time hops were very much the marginalized ingredient of modern beer, until the burgeoning craft beer movement in America reignited the industry's enthusiasm for hop-forward beer. The history of hops and their use in beer is long and shrouded in mystery to this day, but Stan Hieronymous has gamely teased apart the many threads as best anyone can, lending credence where due and scotching unfounded claims when appropriate. It is just one example of the deep research through history books, research articles, and first-hand interviews with present-day experts and growers that has enabled Stan to produce a wide-ranging, engaging account of this essential beer ingredient. While they have an exalted status with today's craft brewers, many may not be aware of the journey hops take to bring them, neatly baled or pressed into blocks and pellets, into the brewhouse. Stan paints a detailed and, at times, personal portrait of the life of hops, weaving technical information about hop growing and anatomy with insights from families who have been running their hop farms for generations. The author takes the reader on a tour of the main growing regions of central Europe, where the famous landrace varieties of Slovenia, the Czech Republic, and Germany originate, to England and thence to North America, and latterly, Australia and New Zealand. Growing hops and supplying the global brewing industry has always been a hard-nosed business, and Stan presents statistics on yields, acreage, wilt and other diseases, interspersed with words from the farmers themselves that illustrate the challenges and uncertainties hop growers face. Along the way, Stan gives details about some of the most well-known varieties—Saaz, Hallertau, Tettnang, Golding, Fuggle, Cluster, Cascade, Willamette, Citra, Amarillo, Nelson Sauvin, and many others—and their history of use in the Old World and New World. The section culminates in a catalog of 105 hop varieties in use today, with a brief description of character and vital statistics for each. Of course, the art and science of using hops in making beer is not forgotten. Once the hops have been harvested, processed, and delivered to the brewery, they can be used in myriad ways. The author moves from the toil of the hop gardens to that of the brewhouse, again presenting a blend of history and present-day interviews and research articles to explain alpha acids, beta acids, bitterness, harshness, smoothness, and the deterioration of bittering flavors over time. Perception is all important when discussing bitterness, and the author touches on genetics, evolution, the vagaries of individuals' perceptions of bitterness, and changing tastes, such as the “lupulin shift.” The meaning of the international bitterness unit, or IBU, is not always properly understood and here Stan lays out a brief history of how the IBU came to be and an appreciation of the many variables affecting utilization in the boil and final bitterness in beer. Adding hops is not as simple as it sounds, and Stan's research illustrates that if you ask ten brewers about something you will get eleven opinions. Early additions, late additions, continuous hopping, first wort hopping, and hop bursting are all discussed with a healthy dose of pragmatic wisdom from brewers and a pinch of chemistry. There then follows an entire chapter devoted to the druidic art of dry hopping, following its commonplace usage in nineteenth-century England to the modern applications found in today's US craft brewing scene. The author uncovers hop plugs, hop coffins, and the “pendulum method,” along with the famous hop rocket and hop torpedo used by some of America's leading craft breweries. Every brewer has their dry hopping method and, gratifyingly, many are happy to share with the author, making this chapter a great source for inspiration and ideas. Many of the brewers the author interviewed were also happy to share recipes. There are 16 recipes from breweries in America, Belgium, Czech Republic, Denmark, England, Germany, and New Zealand. These not only present delicious beers but give some insight into how professional brewers design their recipes to get the most out of their hops. As always, Stan imparts wisdom in an engaging and accessible fashion, making this an amazing compendium on “every brewer's favorite flower.”
Transmission Systems Design Handbook for Wireless Networks by Harvey Lehpamer Pdf
This practical new resource gives you a comprehensive understanding of the design and deployment of transmission networks for wireless applications. From principles and design, to equipment procurement, project management, testing, and operation, it's a practical, hands-on engineering guide with numerous real-life examples of turn-key operations in the wireless networking industry. This book, written for both technical and non-technical professionals, helps you deal with the costs and difficulties involved in setting up the local access with technologies that are still in the evolutionary stage. Issues involved in the deployment of various transmission technologies, and their impact on the overall wireless network topology are discussed. Strategy and approach to transmission network planning, design and deployment are explored. The book offers practical guidelines and advice derived from the author's own experience on projects worldwide. You gain a solid grounding in third generation wireless networks with increased capacity requirements, while learning all about packet data architecture, and how it will impact future transmission network design and deployment.