The book gathers several contributions by historians of physics, philosophers of science and scientists as new essays in the history of physics ranging across the entire field, related in most instances to the works of Salvo D'Agostino (1921-2020), one of the field's most prominent scholars since the second half of the past century. A phenomenon is an observable measurable fact, including data modelling, assumptions/laws. A mechanical phenomenon is associated to equilibrium/motion. Are all mechanisms mechanisms of a phenomenon? Scholars with different backgrounds discuss mechanism/phenomena from an historical point of view. The book is also devoted to understanding of causations of disequilibrium (shock, gravitational, attraction/repulsion, inertia, entropy, etc.), including changes/interaction in the framework of irregular cases of modern physics as well. The book is an accessible avenue to understanding phenomena, ideas and mechanisms by leading authorities who offer much-needed historical insights into the field and on the relationship Physics–Mathematics. It provides an absorbing and revealing read for historians, philosophers and scientists alike.

This book presents a general, unifying view of the developments of the ideas and the experimental findings underlying the evolution of physical knowledge from classical antiquity to the Eighteenth century. It is based on the study of the original sources in ancient texts, and includes classical antiquity with the Hellenic, Hellenistic and Greco-Roman ages, the Middle Ages, and the Renaissance. In particular, the ideas which gave rise to the experimental method and to the modern approach to physical phenomena are discussed in detail. Particularly original is the book’s focus on Galileo Galilei and Isaac Newton.

This volume offers a broad, philosophical discussion on mechanical explanations. Coverage ranges from historical approaches and general questions to physics and higher-level sciences . The contributors also consider the topics of complexity, emergence, and reduction. Mechanistic explanations detail how certain properties of a whole stem from the causal activities of its parts. This kind of explanation is in particular employed in explanatory models of the behavior of complex systems. Often used in biology and neuroscience, mechanistic explanation models have been often overlooked in the philosophy of physics. The authors correct this surprising neglect. They trace these models back to their origins in physics. The papers present a comprehensive historical, methodological, and problem-oriented investigation. The contributors also investigate the conditions for using models of mechanistic explanations in physics. The last papers make the bridge from physics to economics, the theory of complex systems and computer science . This book will appeal to graduate students and researchers with an interest in the philosophy of science, scientific explanation, complex systems, models of explanation in physics higher level sciences, and causal mechanisms in science.

This book traces the history of the concept of work from its earliest stages and shows that its further formalization leads to equilibrium principle and to the principle of virtual works, and so pointing the way ahead for future research and applications. The idea that something remains constant in a machine operation is very old and has been expressed by many mathematicians and philosophers such as, for instance, Aristotle. Thus, a concept of energy developed. Another important idea in machine operation is Archimedes' lever principle. In modern times the concept of work is analyzed in the context of applied mechanics mainly in Lazare Carnot mechanics and the mechanics of the new generation of polytechnical engineers like Navier, Coriolis and Poncelet. In this context the word "work" is finally adopted. These engineers are also responsible for the incorporation of the concept of work into the discipline of economics when they endeavoured to combine the study of the work of machines and men together.

This book presents a perspective on the history of theoretical physics over the past two hundreds years. It comprises essays on the history of pre-Maxwellian electrodynamics, of Maxwell's and Hertz's field theories, and of the present century's relativity and quantum physics. A common thread across the essays is the search for and the exploration of themes that influenced significant con ceptual changes in the great movement of ideas and experiments which heralded the emergence of theoretical physics (hereafter: TP). The fun. damental change involved the recognition of the scien tific validity of theoretical physics. In the second half of the nine teenth century, it was not easy for many physicists to understand the nature and scope of theoretical physics and of its adept, the theoreti cal physicist. A physicist like Ludwig Boltzmann, one of the eminent contributors to the new discipline, confessed in 1895 that, "even the formulation of this concept [of a theoretical physicist] is not entirely without difficulty". 1 Although science had always been divided into theory and experiment, it was only in physics that theoretical work developed into a major research and teaching specialty in its own right. 2 It is true that theoretical physics was mainly a creation of tum of-the century German physics, where it received full institutional recognition, but it is also undeniable that outstanding physicists in other European countries, namely, Ampere, Fourier, and Maxwell, also had an important part in its creation.