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Dicati R: Stamping Through Astronomy

Stamping Through Astronomy

A History of Astronomy through Stamps and Philately

Wendepunkte in der Analogen und Digitalen Welt

Ästhetik um 1800

Goethes Naturforschung

»Bewegliche Ordnung«

Im Dezember 2022 gelang US-Forschern ein historischer Durchbruch: Erstmals erzeugte eine Fusionsreaktion mehr Energie, als sie verbrauchte. Die jahrzehntelange Vision einer nahezu unerschöpflichen, klimaneutralen Energiequelle rückte plötzlich in greifbare Nähe. Doch was steckt wirklich hinter der Kernfusion – und wie realistisch ist ihre baldige Nutzung?
Dieses Buch nimmt Sie mit auf eine faszinierende Reise durch die Geschichte, Physik und Zukunft der Kernfusion. Es erklärt verständlich die wissenschaftlichen Grundlagen und technischen Herausforderungen, beleuchtet internationale Großprojekte wie ITER und zeigt, warum mittlerweile auch private Investoren mit Milliardenbeträgen in das Rennen um die „Sonne im Reaktor“ eingestiegen sind.
Autor Lars Jaeger erzählt von Rückschlägen, Durchbrüchen und der einzigartigen Zusammenarbeit zwischen Ost und West. Nicht nur im Kalten Krieg, auch heute noch überbrücken Fusionsforschende Grenzen und Gräben – denn die Kernfusion könnte das Menschheitsthema Energieversorgung revolutionieren und zum Game-Changer im Kampf gegen die Klimakrise werden.
Ein spannender, fundierter und hochaktueller Einblick in eine Technologie, die unsere Welt verändern kann.

Warum die kontrollierte Kernfusion unsere Energieprobleme endgültig lösen kann

Sonnenfeuer

Fundamental Theories of Physics

This book highlights that Mass and Proper Time, which are well-defined classically, have all sorts of conceptual problems when considered quantum- machanically. When systems interact, the masses change to include binding energies, etc., but are not treated as variables within the standard formalism. Similarly, proper time becomes an ambiguous concept when particles are entangled, or when they can take several different paths. But the formalism can easily be extended, so that they become conjugate dynamical variables, and there is an uncertainty principle between mass and proper time. There are many examples of this, but it is not easy to prove convincingly, since one can always experimentally change a mass-time relationship into a momentum-position one, which is well known. It is only in the case of unstable particles, where one sees a clear difference. The new formalism treats a system where particles can decay, even classically, which they cannot do conventionally. In this capacity, the theory merges into other situations where particles decay. But it is clear within this theory, that the mechanism that controls how masses change is gravitational, and so one finally has the possibility of merging gravity with the other forces of nature in a natural way. This can be accomplished by a natural extension of the principle of equivalence. The book describes how the theory naturally blends gravity into the other forces, providing a hope for an integrated theory of the forces of nature.&nbsp;The emphasis of the book is always physical, rather than mathematical, so that the theory does not seem to be an ad-hoc mathematical add-on to conventional theories.

Proper Time and Mass as Dynamical Variables

De Gruyter STEM

Volume 2

Structures on Different Time Scales

Der Briefwechsel mit Sigmund Freud und andere Ausführungen

Warum Krieg?

Palgrave Studies in Literature, Science and Medicine

This open access book offers the first full study of the phenomenon of self-wounding as it is represented in early modern literature. It looks at depictions of self-injury in ballads, plays, medical texts and histories from the 1580s to the turn of the eighteenth century. In this period, it argues, self-injury was not necessarily viewed as indicative of psychological distress, as it is in modern discourses of ‘self-harm’. Rather, self-wounding might work as a form of protest, a persuasive tactic, a means of self-regulation or an assertion of agency over one’s own body. This book blends traditional literary studies methodologies with insights from sociology, emotion studies, cognitive psychology and practice-led research to shed new light on early modern ideas about rhetoric, authenticity, emotion, and the relationship between body and identity. The book also confronts the difficulties of examining such ‘topical’ phenomena. Can the anachronism of comparisons between modern and historical self-injury be made productive, rather than reductive? What does it mean to talk about ‘self-injury’ in a period which did not have a distinct word for these practices? In so doing, it suggests new directions for literary-historical studies of the body and its practices, arguing that in such cases, we should seek not to familiarise the past but to defamiliarize the present.

Wounding Oneself in Early Modern Literature

Molecular Collisions and Gaseous Kinetics covers elastic collisions, inelastic collisions leading to energy transfer and electronic transitions, reactive collisions, and photoinduced dynamics. Collisions with surfaces, thermal rates of those phenomena, as well as transport and relaxation phenomena mediated by molecular collisions are also discussed. A final chapter on many-atom scattering theory serves as an introduction to more advanced descriptions. The treatment is based on the quantal theory of scattering and its semiclassical limits, introduces realistic intermolecular forces, and includes computational aspects needed to calculate cross-sections and compare them with experimental data. It is motivated by a need to cover these subjects starting from the electronic structure and atomic conformation of molecules. The chapters provide an introduction to experimental methods where appropriate, and connect theory to applications for specific physical systems to obtain results that can be compared to experimental data.

Energy Transfer and Reactivity

Quantum Molecular Dynamics

Chalcogenide Nanophotonics

De Gruyter Studies in Mathematics

Orthogonal Polynomials

This book provides the first comprehensive, easy-to-read, and up-to-date account of the fascinating discipline of archaeoastronomy, in which the relationship between ancient constructions and the sky is studied to gain a better understanding of the ideas of the architects of the past and their religious and symbolic worlds. The book is divided into three sections. The first section discusses in detail the fundamentals of archaeoastronomy, including the celestial coordinates, the apparent motion of the sun, moon, stars, and planets, observation of celestial bodies at the horizon, the use of astronomical software in archaeoastronomy, and current methods for making and analyzing measurements . The second part explores the past relations between astronomy and people, power, the afterworld, architecture, and landscape &nbsp;The final section reviews what archaeoastronomy can now tell us about the nature and purpose of such sites and structures as Stonehenge, the Pyramids of Giza, Chichen Itza, the Angkor Temples, the Campus Martius, Machu Picchu and the Valley of the Temples of Agrigento. Additionally, it provides a set of exercises that can be performed using non-commercial free software, e.g., Google Earth and Stellarium, and that will equip readers to conduct their research. This book is &nbsp;an ideal introduction to what has become a wide-ranging multidisciplinary science. This newly revised edition includes the most recent research on Stonehenge, ancient Japan, and other sites worldwide.&nbsp;

Introduction to the Science of Stars and Stones

Archaeoastronomy

Science Networks. Historical Studies

This unique reference work systematically presents and studies mathematical terms, sourcing literature from antiquity until the 20th century.
The book provides detailed and reliable information on the origins and developments of more than 1,000 mathematical terms from all branches of mathematics. The dictionary is based on extensive research of the primary literature, cites from original sources, provides historical illustrations, discusses synonyms and competing terms, and quotes critical or approving comments on newly created terms. Each entry is self-contained and includes a bibliography. All major mathematical fields are represented, ranging from geometry and arithmetic to, for example, calculus, topology, and category theory.
This set comprises both volumes I and II, covering the letters from A through Z.

Volumes I and II

A Historical Dictionary of Mathematical Terms

Stamping Through Astronomy

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