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Black holes are undoubtedly one of the most fascinating discoveries of modern astronomy, and their description one of the most daring intellectual feats of modern times. They have already become legendary, forming the basis of many myths, fantasies and science fiction movies. Are they really the monsters which devour light and stars; bottomless celestial pits into which all matter is sucked and crushed? Are they an observable reality, or are they just hypothetical objects from the theory of relativity? In answering such questions the author takes us on a fabulous journey through space and time. Dr Jean-Pierre Luminet is an astronomer at Meudon Observatory in France, a specialist on the subject of black holes, and has also acquired a reputation for being a gifted writer and communicator. In this book he makes the subject of black holes accessible to any interested reader, who will need no mathematical background.
Dr. Jean-Pierre Luminet makes the subject of black holes accessible to any interested reader, who will need no mathematical background. The reader of this book will feel that the developments in modern astrophysics are as fascinating to discover and digest as the most fantastic science fiction novels. While answering such questions, the author takes us on a fabulous journey through space and time. We travel into the realms of supernovae, X-ray stars and quasars--a journey to the very edge of the universe and to the limits of contemporary physics.
L'ouvrage que voici marque assurément un tournant décisif dans l'effort entrepris par les Africains de bonne foi de réhabiliter l'Histoire du Continent noir. Nous y découvrons que la notion de Dieu est une notion traditionnelle et intellectuelle africaine, les origines africaines des dieux de l'Olympe, les noms africains des dieux d'Égypte, les origines africaines du Judaïsme, du Christianisme et de l'Islam, les sources africaines de la démocratie parlementaire et du Droit, les sources vivifiantes de cette extraordinaire épopée qui conduira à l'émergence de la civilisation appelée égyptienne, le sens de l'iconographie des principales divinités de la vallée du Nil, les sources africaines de la franc-maçonnerie, les sources de la légende du Saint-Graal, l'objet de la circoncision, l'origine et la fonction des cathédrales, la fonction du sarcophage, les origines de la chimie et de la biologie, et les fondations africaines de Rome sont autant de sujets spécifiquement abordés.
On-point historical photographs combined with strong narration bring the story of the first photograph of a black hole to life. Kids will learn why it was so hard to take a photo of something so dark it does not reflect light, and so far away it could barely be reached. Primary source quotations bring the amazing accomplishment to life.
This handbook gives an overview of language for special purposes (LSP) in scientific, professional and other contexts, with particular focus on teaching and training. It provides insights into research paradigms, theories and methods while also highlighting the practical use of LSPs in concrete discourse situations. The volume is transdisciplinary oriented with a firm basis in the language sciences, including terminology, knowledge transfer, multilingual and cross-cultural exchange.
Prodotto del nutrito e variegato gruppo di lavoro che costituisce il Centro Interuniversitario di Ricerca sulle Metafore (https://cirm.unige.it), i Quaderni del CIRM ne rispettano pienamente la natura eterogenea per provenienza disciplinare, interessi di ricerca, punto di vista sulla poliedricità dell’oggetto metaforico. In questo primo volume, accanto a saggi più focalizzati su aspetti teorici ed epistemologici, coesistono contributi centrati sui fenomeni che collegano metafora e argomentazione, così come analisi contrastive e traduttologiche e infine studi di caso in diverse tipologie testuali e discorsive. Altrettanto varia e significativa, la provenienza degli autori testimonia della vitalità di un progetto aperto ad approcci teorici e metodologici diversi.
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