At long last, with sufficient technical details, emphasizing key historical moments, a book that develops all of fundamental modern theoretical physics from energy considerations in a compact form. Starting with a few electron-volts of atoms in the quantum world at low energies extending up to quantum gravity and beyond to the birth of the Universe, readers will experience the entire spectrum of fundamental modern theoretical physics, with one theory leading to another in an integrated unified manner. Energy considerations lead to the development of special and general relativity, quantum field theory, renormalization theory, modern quantum electrodynamics, electro-weak theory, the standard model of particle physics, grand unified theories, string theory, the current standard model of inflationary big bang theory, and even to the birth of the Higgs field, and in developments of quantum gravity. Unfortunately, due to strong specialization within theirfields, students and many practicing physicists are exposed only to parts of the beautiful story of modern fundamental physics. Here the entire story is told! This is a must-read book for graduate students, advanced undergraduate students, instructors and professionals who are interested in all aspects of fundamental modern theoretical physics and key historical moments in its development.

The theory of quantum mechanics continues to appear arbitrary and abstruse to new students; and to many veterans, it has become acceptable and useable only because it is familiar. Yet, this theory is at the basis of all modern physics, chem istry, and engineering, describing, as it does, the behavior of the submicroscopic particles making up all matter. So it needs to be presented more effectively to a diverse audience. The primary question is, I believe, 'What can be considered self-evident?' Indeed, what do certain key experiments reveal about the workings of nature? How can we consider that some probabilities are not a result of our ignorance, but instead, fundamental properties? We must pay particular attention to the subject of what we can do, what we cannot do, and what we can and cannot observe. We can prepare a homogeneous beam of almost independent particles by boiling electrons out of a metal and accelerating them by a given potential drop. We cannot follow an electron in dividually in the beam without introducing conditions that destroy the beam's homogeneity, but we can detennine when electrons arrive at a given position.

'Particle or Wave' explains the origins and development of modern physical concepts about matter and the controversies surrounding them.

The Wolfram Physics Project is a bold effort to find the fundamental theory of physics. It combines new ideas with the latest research in physics, mathematics and computation in the push to achieve this ultimate goal of science. Written with Stephen Wolfram's characteristic expository flair, this book provides a unique opportunity to learn about a historic initiative in science right as it is happening. A Project to Find the Fundamental Theory of Physics includes an accessible introduction to the project as well as core technical exposition and rich, never-before-seen visualizations.

This volume contains a portion of the presentations given at the session on High Energy Physics and Astro physics of Orbis Scientiae II, held at the Center for Theoretical Studies, University of Miami, from January 20 through January 24, 1975. This, second in the new series of meetings held at the CTS, strove to implement the goals professed in the organization of Orbis Scientiae in 1974, namely to encourage scientists in several disciplines to exchange views, not only with colleagues who share similar research interests, but also to acquaint scientists in other fields with the leading ideas and current results in each area repre sented. Thus, an effort has been made to include papers in each session that discuss fundamental issues in a way which is comprehensible to scientists who are specialists in other areas. Also in keeping with the philosophy of Orbis Scientiae, the major topics each year are to be varied, with the invariant being the inclusion of developments in fundamental physics. The discussions of the current state of the art in high energy physics represented in this volume include new theories and experiments in the field. v PREFACE Special gratitude is due to the following for their contributions as organizers and moderators of the ses sions on high energy physics and astrophysics: Abdus Salam, Jogesh Pati, Karl Strauch, O. W. Greenberg, Sheldon Glashow, George Sudarshan and W. John Cocke. The editors wish to express their appreciation to Mrs. Helga Billings and Mrs.

With the help of in-depth essays from some of the world's leading philosophers, The Blackwell Companion to Natural Theology explores the nature and existence of God through human reason and evidence from the natural world. Provides in-depth and cutting-edge treatment of natural theology's main arguments Includes contributions from first-rate philosophers well known for their work on the relevant topics Updates relevant arguments in light of the most current, state-of-the-art philosophical and scientific discussions Stands in useful contrast and opposition to the arguments of the 'new atheists'