The result of a lecture series, this textbook is oriented towards students and newcomers to the field and discusses theoretical foundations as well as experimental realizations in detail. The authors are experienced teachers and have tailored this book to the needs of students. They present the basics of quantum communication and quantum information processing, leading readers to modern technical implementations. In addition, they discuss errors and decoherence as well as methods of avoiding and correcting them.
How do James Bond’s X-ray glasses work, the ones he uses to see whether the lady at the roulette table has a pistol concealed in her underwear? Is it really possible to launch oneself into the air and catch up with a plane that is free-falling towards the earth? Or to shoot down a helicopter with a pistol? In this lively and informative book, Germany's boldest physics professor Metin Tolan analyses the stunts and gadgets of the 007 films and even answers the question of all questions: Why does Bond drink his vodka martini shaken, not stirred? "So much entertaining science is a rare thing." Spiegel Online
This book constitutes the refereed proceedings of the 8th International Conference on Computers Helping People with Special Needs, ICCHP 2002, held in Linz, Austria in July 2002. The 155 revised papers presented were carefully reviewed and selected. The papers evaluate how various fields in computer science can contribute to helping people with various kinds of disabilities. Among the technical fields evaluated are information systems, information society, computer-assisted education, human-computer interaction, interface design, virtual reality, Internet applications, mobile computing, assistive technology, communication technology, multimedia, display technology, haptic copmuting, audio interfaces, and societal and administrative issues.
Ötzi the iceman could not do without wood when he was climbing his Alpine glacier, nor could medieval cathedral-builders or today's construction companies. From time immemorial, the skill of the human hand has developed by working wood, so much so that we might say that the handling of wood is a basic element in the history of the human body. The fear of a future wood famine became a panic in the 18th century and sparked the beginnings of modern environmentalism. This book traces the cultural history of wood and offers a highly original account of the connection between the raw material and the human beings who benefit from it. Even more, it shows that wood can provide a key for a better understanding of history, of the pecularities as well as the varieties of cultures, of a co-evolution of nature and culture, and even of the rise and fall of great powers. Beginning with Stone Age hunters, it follows the twists and turns of the story through the Middle Ages and the Industrial Revolution to the global society of the twenty-first century, in which wood is undergoing a varied and unexpected renaissance. Radkau is sceptical of claims that wood is about to disappear, arguing that such claims are self-serving arguments promoted by interest groups to secure cheaper access to, and control over, wood resources. The whole forest and timber industry often strikes the outsider as a world unto itself, a hermetically sealed black box, but when we lift the lid on this box, as Radkau does here, we will be surprised by what we find within. Wide-ranging and accessible, this rich historical analysis of one of our most cherished natural resources will find a wide readership.
The use of the colour blue in historical shipbuilding raises many questions. Which pigments and colours were available and how were they used? What was used in shipbuilding? Join us on a fascinating journey back over 5,500 years from the discovery of the first blue pigments to modern times. A wealth of sources and pictorial materials round off the well-researched text. Be surprised by the long history of the colour blue and its rôle in shipbuilding.
This book provides solutions and answers to physical problems in solid-state physics that have eluded scientific explanation for decades. Examples of such unsolved physics problems are: • Why are there simple metals with positive thermopower, although according to classical theory the thermopower of simple metals should always be negative? • What are the reasons for the different structures in sputtered, respective evaporated, thin films: amorphous, granular or fractal structures depending on the composition of the film alloys? • Why can amorphous metal layers exist at all, although the crystalline state is the more stable? • What is the secret of good adhesion of thin metal films to insulator substrates? • Why does the electrical conductivity σ of a thin metal layer decrease exponentially with decreasing layer thickness? • Is there a finite minimum metallic conductivity? • What is the cause of the phenomenon of the “Giant Hall Effect” in metal insulator layers? • What is the reason for Mooij's correlation? This text is intended for physicists, chemists, materials scientists, nano- and biotechnologists, students and interested laymen.
Fortschritt und Fortschrittsbewusstsein sind als Werte in unserer Gesellschaft problematisch geworden. Gleichwohl waren und sind sie Wesensmerkmale unserer Kultur. Ein Blick in die Vergangenheit soll Rechenschaft ablegen über eine fundamentale Denkfigur des Okzidents. Er soll Ursprünge offen legen. Die Untersuchungen in diesem Sammelband zeigen, wie im Mittelalter das Fortschrittskonzept mit der Bindung an Traditionen zu vereinbaren war oder in Gegensatz geriet.
How do James Bond’s X-ray glasses work, the ones he uses to see whether the lady at the roulette table has a pistol concealed in her underwear? Is it really possible to launch oneself into the air and catch up with a plane that is free-falling towards the earth? Or to shoot down a helicopter with a pistol? In this lively and informative book, Germany's boldest physics professor Metin Tolan analyses the stunts and gadgets of the 007 films and even answers the question of all questions: Why does Bond drink his vodka martini shaken, not stirred? "So much entertaining science is a rare thing." Spiegel Online
The result of a lecture series, this textbook is oriented towards students and newcomers to the field and discusses theoretical foundations as well as experimental realizations in detail. The authors are experienced teachers and have tailored this book to the needs of students. They present the basics of quantum communication and quantum information processing, leading readers to modern technical implementations. In addition, they discuss errors and decoherence as well as methods of avoiding and correcting them.
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