The focus of this book lies at the meeting point of electromagnetic waveguides and photonic crystals. Although these are both widely studied topics, they have been kept apart until recently. The purpose of the first edition of this book was to give state-of-the-art theoretical and numerical viewpoints about exotic fibres which use “photonic crystal effects” and consequently exhibit some remarkable properties.Since that first edition, photonic crystal fibres have become an important and effective optical device. In this second edition, the description of the theoretical and numerical tools used to study these fibres is enhanced, whilst up-to-date information about the properties, applications and fabrication of these fibres is added./a
The arrival of the Seljuk Turks in Anatolia forms an indispensable part of modern Turkish discourse on national identity, but Western scholars, by contrast, have rarely included the Anatolian Turks in their discussions about the formation of European nations or the transformation of the Near East. The Turkish penetration of Byzantine Asia Minor is primarily conceived of as a conflict between empires, sedentary and nomadic groups, or religious and ethnic entities. This book proposes a new narrative, which begins with the waning influence of Constantinople and Cairo over large parts of Anatolia and the Byzantine-Muslim borderlands, as well as the failure of the nascent Seljuk sultanate to supplant them as a leading supra-regional force. In both Byzantine Anatolia and regions of the Muslim heartlands, local elites and regional powers came to the fore as holders of political authority and rivals in incessant power struggles. Turkish warrior groups quickly assumed a leading role in this process, not because of their raids and conquests, but because of their intrusion into pre-existing social networks. They exploited administrative tools and local resources and thus gained the acceptance of local rulers and their subjects. Nuclei of lordships came into being, which could evolve into larger territorial units. There was no Byzantine decline nor Turkish triumph but, rather, the driving force of change was the successful interaction between these two spheres.
Noting a marked lack of comprehensiveness and/or contemporaneity among typical reference works on chemical etymology, as well as a somewhat spotty coverage of chemical terms and their etymology in comprehensive dictionaries and textbooks the author decided to write an up-to-date desk reference on chemical etymology which would satisfy the needs of casual readers as well as those of more demanding users of etymological lore. Characteristic user-friendly features of the present work include avoidance of cumbersome abbreviations, avoidance of entries in foreign alphabets, and a broad coverage of all chemical disciplines including mineralogy. Biological, medical, geological, physical and mathematical terms are only considered where they appear of interest to mainstream chemists.This book does not provide definitions of terms (unless required in the etymological context) nor guidance as to the timeliness of different nomenclature systems. The typical user will from the outset be well aware of the exact meaning of the terms he or she focuses on and only require the etymological background to be used. Examples of sources which have been drawn upon in the preparation of this book, apart from the extremely useful Internet resource Google, are listed, but an exhausting enumeration would be tiresome and impractical..* an up-to-date desk reference on chemical etymology* characteristic user-friendly features* broad coverage of all chemical disciplines
In this work, Alexander Rosenthal Pubul presents a broad examination of the ancient philosophical question: “What is the good life?”, while addressing how the liberal arts can help us to answer this question. Greek philosophy distinguished between the “noble” (what is good in itself), from the merely “useful” (good for something else). From thence follows the distinction between the liberal arts which pursue such noble goods and the mechanical arts which are only instrumental. For Aristotle, the most noble and excellent good is wisdom itself. Hence the theoretic life devoted to the love of wisdom for its own sake –philosophy - is the highest and the most excellent. This work theorizes the origins of modernity in a rebellion against this Greek conception resulting in a complete inversion of the classical hierarchy. Sir. Francis Bacon reconceiving the purpose of knowledge as power, enthroned technology over philosophy and the liberal arts. The unfolding of the modern Baconian revolution progressively sidelines the liberal arts, as practical economic and technical utility become the standard of value. In assessing this problem, the book engages in a capacious journey across disciplines like philosophy, history, art, politics, and science. It is also a veritable tour across the Western intellectual tradition including Socrates, Plato, Aristotle, Cicero, Seneca, Thomas Aquinas, Bacon, Descartes, Hume, Kant, Nietzsche, Dewey, Berdyaev, Einstein, and Heidegger. It pleads the urgent need to preserve the humanizing cultural ideals of the ancient classics against the modern tyranny of utility and the dangers of a new barbarism.
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