EmDrive provides a comprehensive description of the theoretical background of this emerging technology. It includes the derivation of the essential equations, provides full thruster design details, and describes the manufacture and methods of testing that would enable the work to be correctly reproduced in the appropriate research facilities. Electromagnetic drive is a proposed method of propulsion that does not require a propellant, although it still requires fuel. It holds the potential to revolutionize renewable energy production, clean and quiet transport, and global climate control. Having evolved from numerous individual and organizational contributions, this book explains the origin and subsequent development of this theory from the original UK government requirement. The sequence of experimental devices is covered in detail, and the subsequent test results are discussed. Similar programmes in the USA and China are introduced, and the implications of recent disclosures are considered. This book will interest industry professionals working on electromagnetic theory and experimental physics in the fields of aerospace and energy engineering.
EmDrive provides a comprehensive description of the theoretical background of this emerging technology. It includes the derivation of the essential equations, provides full thruster design details, and describes the manufacture and methods of testing that would enable the work to be correctly reproduced in the appropriate research facilities. Electromagnetic drive is a proposed method of propulsion that does not require a propellant, although it still requires fuel. It holds the potential to revolutionize renewable energy production, clean and quiet transport, and global climate control. Having evolved from numerous individual and organizational contributions, this book explains the origin and subsequent development of this theory from the original UK government requirement. The sequence of experimental devices is covered in detail, and the subsequent test results are discussed. Similar programmes in the USA and China are introduced, and the implications of recent disclosures are considered. This book will interest industry professionals working on electromagnetic theory and experimental physics in the fields of aerospace and energy engineering.
The County Avifaunas are a growing series of books, each of which gives details of the status and range of every species on the county list, with a detailed breakdown of rarity records. Each has introductory sections describing the county's ecology and habitats, climate, ornithological history and conservation record. This new avifauna covers Leicestershire and neighbouring Rutland, an area with a particularly strong birding tradition - the Leicestershire & Rutland Ornithological Society is one of the largest county bird clubs in Britain. The region holds some of England's most important inland reservoirs, including the largest, Rutland Water. This massive lake holds some 10,000 wintering birds of a variety of species each year, and has an impressive rarity list as well as some of England's few breeding Ospreys. The county also has important woodlands, gull roosts and river habitats. Rutland Water is the home of the British Birdwatching Fair, the most important trade fair in the birding calendar.
This volume sets out for the first time the historical and current status of all the bird species found in Wales together with their present distribution. The rugged countryside of Wales has long been a destination for successive generations of naturalists, ornithologists, oologists and, latterly, birdwatchers. Since the pioneering days of Willoughby and Ray, Pennant and Edward Llwyd, a growing number of intrepid travellers have recorded the wildlife and other natural riches of the mountains and coastlines of Wales. Despite these beginnings and the more recent twentieth century vogue for birdwatching, no volume on the birds of Wales has been produced until now to serve the increasing need for scientifically valid information for conservation purposes. In the years that have passed since the first naturalists visited Wales, changes of unimaginable scale have taken place in the Welsh countryside which have had equally dramatic impacts on the native bird communities. A succession of bird species have either been eliminated deliberately by the hand of man - mainly birds of prey - or have been dispossessed by changes in land use, the spread of industrialisation, urbanisation and pollution, trends which continue today to the increasing detriment of even some of our most familiar countryside birds. Much fine habitat remains however, and new species have come in to colonise Wales and add to the magic of its countryside. The three authors, all staff of the RSPB in Wales, have between them an accumulated experience of some 80 years of first-hand knowledge of birds in the Principality. Their knowledge and love of the birds and Wales itself makes this authoritative volume a landmark both in Welsh and ornithological publishing.
Behind the magic of Harry Potter—a witty and illuminating look at the scientific principles, theories, and assumptions of the boy wizard's world, newly come to life again in Harry Potter and the Cursed Child and the upcoming film Fantastic Beasts: The Crimes of Grindelwald Can Fluffy the three-headed dog be explained by advances in molecular biology? Could the discovery of cosmic "gravity-shielding effects" unlock the secret to the Nimbus 2000 broomstick's ability to fly? Is the griffin really none other than the dinosaur Protoceratops? Roger Highfield, author of the critically acclaimed The Physics of Christmas, explores the fascinating links between magic and science to reveal that much of what strikes us as supremely strange in the Potter books can actually be explained by the conjurings of the scientific mind. This is the perfect guide for parents who want to teach their children science through their favorite adventures as well as for the millions of adult fans of the series intrigued by its marvels and mysteries. • An ALA Booklist Editors' Choice •
The exciting new edition of this well-loved textbook offers a fully expanded and revised account and analysis of the youth justice system in the UK, taking into account and fully addressing the significant changes that have taken place since the second edition in 2007. The book maintains its critical analysis of the underlying assumptions and ideas behind youth justice, as well as its policy and practice, laying bare the inadequacies, inconsistencies and injustices of practice in the UK. This edition will offer an important update in light of intervening changes, as reflected in a change of government and shifting patterns of interventions and outcomes. This book will be an important resource for youth justice practitioners and will also be essential to students taking courses in youth crime and youth justice.
Covers 51 Dicotyledon families, including important groups such as the Rosaceae (roses, peaches, pears, apples, plums, etcetera), Fabaceae (peas, beans and pea flowers), Mimosaceae (wattle), Proteaceae (banksias, grevilleas, macadamia, etcetera) and Myrtaceae (eucalypts, callistemons, tea trees, guavas, etcetera.).
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