White Dwarf 53 arrives in a blur of dazzling colour, and with it the brand new Harlequin Troupe and Solitaire! We take a look at these enigmatic guardians of the Black Library in our Danse of Death feature. Not only that, but we bring you everything you need to get to grips with the fine – you might say fiddly, we say fine – art of painting chequered patterns in a bumper Harlequin Paint…
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Author : Remo Ruffini
Genre : Science
Summary : The proceedings of MG16 give a broad view of all aspects of gravitational physics and astrophysics, from mathematical issues to recent observations and experiments. The scientific program of the meeting included 46 plenary presentations, 3 public lectures, 5 round tables and 81 parallel sessions arranged during the intense six-day online meeting. All talks were recorded and are available on the ICRANet YouTube channel at the following link: www.icranet.org/video_mg16.These proceedings are a representative sample of the very many contributions made at the meeting. They contain 383 papers, among which 14 come from the plenary sessions.The material represented in these proceedings cover the following topics: accretion, active galactic nuclei, alternative theories of gravity, black holes (theory, observations and experiments), binaries, boson stars, cosmic microwave background, cosmic strings, dark energy and large scale structure, dark matter, education, exact solutions, early universe, fundamental interactions and stellar evolution, fast transients, gravitational waves, high energy physics, history of relativity, neutron stars, precision tests, quantum gravity, strong fields, and white dwarf; all of them represented by a large number of contributions.The online e-proceedings are published in an open access format.
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Author : Wikipedia contributors
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Author : E.B. Carling
Genre : Science
Summary : Our conference - opening today - has two aims in view: first, to commemorate some milestones in the development of the studies of close binary systems whose anniversaries fall in these years, as well as to take stock of our present knowledge accumulated through out preceding decades, in order to consider where do we go from here. This summer, 310 years will have elapsed since the first ec lipsing binary - Algol - was discovered in Bologna by Geminiano Montanari (1633-1687) to be a variable star; and 198 years have gone by since John Goodricke of York (1764-1786) established the fact that Algol's light changes were periodic. Moreover, it is al most exactly (to a month) now 100 years since Edward Charles Pickering (1846-1919) of Harvard Observatory in the United States took the first steps towards the development of systematic methods of analysis of the light changes of Algol and related systems - a topic which will constitute the major part of the programme of our present conference. The three dates recalled above illustrate that the discoverers of such celestial objects and observers of their light changes have been systematically ahead of the theoreticians endea vouring to understand the significance of the observed data by de cades and centuries in the past - a fact which, incidentally, con tinues to hold good (albeit with a diminishing lead-time) up to the present.
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Author : Amitai Etzioni
Genre : Political Science
Summary : Are the United States and China on a collision course? In response to remarks made by Donald Trump’s secretary of state, China’s state-run newspaper Global Times asserted, "Unless Washington plans to wage a large-scale war in the South China Sea, any other approaches to prevent Chinese access to the [disputed] islands will be foolish." Some experts contend that conflict is inevitable when an established power does not make sufficient room for a rising power. In this timely new work, renowned professor of international relations Amitai Etzioni explains why this would be disastrous and points to the ways the two nations can avoid war. The United States is already preparing for a war with China, Etzioni reveals. However, major differences of opinion exist among experts on the extent of military commitment required, and no plan has been formally reviewed by either Congress or the White House, nor has any been subjected to a public debate. Etzioni seeks here to provide a context for this long overdue discussion and to explore the most urgent questions: How aggressive is China? How powerful is it? Does it seek merely regional influence, or regional dominance, or to replace the United States as the global superpower? The most effective means of avoiding war, several experts argue, requires integrating China into the prevailing rule-based, liberal, international order. Etzioni spells out how this might be achieved and considers what can be done to improve the odds such an integration will take place. Others call for containing or balancing China, and Etzioni examines the risk posed by our alliances with various countries in the region, particularly India and Pakistan. With insight and clarity Etzioni presents our best strategy to reduce tension between the two powers, mapping out how the United States can accommodate China’s regional rise without undermining its core interests, its allies, and the international order.
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Author : Günther Hasinger
Genre : Science
Summary : When observing the sky on a very clear, dark night, the soft glow of the Milky Way with its thousands of stars can be seen with the naked eye. Over the centuries since Galileo Galilei first pointed a telescope at the galaxy in 1609, this awe-inspiring yet easily visible panorama was our cosmos, our celestial world. With each new scientific discovery, however, this cosmos has grown dramatically, increasing rapidly over the last several decades. As we look deeper into space, the earlier phases of the cosmos are unveiled to us, but we know that even with the largest telescopes, we will see only a tiny fraction of the vast expanse of the universe. In Astronomy’s Limitless Journey, astrophysicist Günther Hasinger takes the reader on a journey to the far reaches of the universe—an exciting time travel that begins with the incredibly hot fireball of the Big Bang roughly 13.8 billion years ago and ends in distant eons with its cold, dark demise. In between lie the times in which extensive structures, galaxies, stars, and planets form. As the field of astrophysics and cosmology experiences a “golden age” due to larger telescopes, faster computers, and more sophisticated algorithms, fundamental changes are taking place in our understanding of space and time and of the origin and future of our universe. Hasinger thoroughly explains these fascinating revelations and describes the methods utilized in modern astrophysics. He cautions, however, that the boundaries between knowledge and ignorance shift constantly; where our knowledge is so incomplete such that we can only speculate, the journey becomes shaky. Indeed, every new discovery opens a further door to the unknown and with every answered question, we discover more locked doors still to be opened.
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Author : William Shurtleff; Akiko Aoyagi
Genre : Reference
Summary : The world's most comprehensive, well documented, and well illustrated book on this subject. With extensive index, 128 photographs and illustrations - mostly color. Free of charge in digital format on Google Books.
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Author : Grant Rodwell
Genre : Education
Summary : Risk Society and School Educational Policy explores the impact of risk society on policy in the US, UK and Australia through both practical and theoretical perspectives. The book develops an in-depth understanding of risk society itself, and guides the reader in applying this knowledge to the problem of how this impacts policy and practice in school education. Drawing on work by Ulrich Beck and Anthony Giddens, Rodwell explores the development of risk society as a field of interest, discussing its history, contemporary significance and links with neoliberalism, school education, and both mainstream and social media. He also examines its impact on government policies and the practical implications of how this impacts the educational experiences of children around the globe today. A book for policy professionals, researchers, academics and postgraduate students interested in Education Studies, Theory and Policy, and International and Comparative Education, Risk Society and School Educational Policy is the first international academic monograph published in the field.