Overview

String theory has played a highly influential role in theoretical physics for nearly three decades and has substantially altered our view of the elementary building principles of the Universe. However, the theory remains empirically unconfirmed, and is expected to remain so for the foreseeable future. So why do string theorists have such a strong belief in their theory? This book explores this question, offering a novel insight into the nature of theory assessment itself. Dawid approaches the topic from a unique position, having extensive experience in both philosophy and high-energy physics. He argues that string theory is just the most conspicuous example of a number of theories in high-energy physics where non-empirical theory assessment has an important part to play. Aimed at physicists and philosophers of science, the book does not use mathematical formalism and explains most technical terms.

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9781107029712

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Reviews

'At the frontiers of physics and cosmology theoretical speculation proceeds without the constant confrontation with experiment often thought to be required for scientific validation. Richard Dawid explores this issue in the case of string theory. He offers a fascinating new perspective on non-empirical theory assessment, based on the concept of scientific underdetermination. I heartedly recommend this book to both physicists and philosophers.' David Gross, Kavli Institute for Theoretical Physics, and Nobel Laureate in Physics, 2004 'Richard Dawid argues that string theory plays a novel role in the scientific process that has been neglected by philosophers of science. I believe that this book is a valuable contribution to the philosophy of science, which should interest practicing scientists as well as those who are more interested in the methodology of science.' John Schwarz, California Institute of Technology 'Richard Dawid provides a fascinating account of string theory, then uses it as a starting point to puzzle over exactly what it is that we do or should want from a satisfactory physical theory more generally. The result is a number of compelling philosophical insights into the nature and practice of modern physics.' Jeffrey A. Barrett, University of California, Irvine 'Dawid makes what is probably the best possible case that theoretical justification can succeed. I applaud the fact that String Theory and the Scientific Method explicitly raises these questions and addresses them in a clear and well-considered way.' George Ellis, Science 'String Theory and the Scientific Method is clearly written and well argued, one of the clearest expositions of string theory accessible to a non-physicist that I have read. Though narrowly conceived, and yearning to be informed by a broader philosophical perspective, it is an important contribution to traditional Anglo-American philosophy of science insofar as its initial inspiration is not the urge to develop the logic of science for its own sake, but the mismatch between the inherited picture of that logic and the actual experience of scientists.' Robert P. Crease, History of Physics Newsletter 'I think that Dawid has identified an important, real feature of scientific methodology, neglected by philosophy of science - one that should be taken seriously. I also think that this book provides a plausible framework for thinking about it. To what extent Dawid is right about the way such 'post-empirical' reasoning functions in science is a harder question; even harder is the question of whether it can be justified along the lines he proposes. Obviously he believes he is right, and he argues plausibly to that effect, but the questions are big ones, deserving investigation and debate among a wide readership. I thus commend the book to you, and encourage you to engage the important issues that it raises. If Dawid is correct, then he has opened up a whole new way of thinking about scientific confirmation.' Nick Huggett, Notre Dame Philosophical Reviews

Advance praise: 'Richard Dawid provides a fascinating account of string theory, then uses it as a starting point to puzzle over exactly what it is that we do or should want from a satisfactory physical theory more generally. The result is a number of compelling philosophical insights into the nature and practice of modern physics.' Jeffrey A. Barrett, University of California, Irvine Advance praise: 'Richard Dawid argues that string theory plays a novel role in the scientific process that has been neglected by philosophers of science. I believe that this book is a valuable contribution to the philosophy of science, which should interest practicing scientists as well as those who are more interested in the methodology of science.' John Schwarz, California Institute of Technology Advance praise: 'At the frontiers of physics and cosmology theoretical speculation proceeds without the constant confrontation with experiment often thought to be required for scientific validation. Richard Dawid explores this issue in the case of string theory. He offers a fascinating new perspective on non-empirical theory assessment, based on the concept of scientific underdetermination. I heartedly recommend this book to both physicists and philosophers.' David Gross, Kavli Institute for Theoretical Physics

'Richard Dawid provides a fascinating account of string theory, then uses it as a starting point to puzzle over exactly what it is that we do or should want from a satisfactory physical theory more generally. The result is a number of compelling philosophical insights into the nature and practice of modern physics.' Jeffrey A. Barrett, University of California, Irvine 'Richard Dawid argues that string theory plays a novel role in the scientific process that has been neglected by philosophers of science. I believe that this book is a valuable contribution to the philosophy of science, which should interest practicing scientists as well as those who are more interested in the methodology of science.' John Schwarz, California Institute of Technology 'At the frontiers of physics and cosmology theoretical speculation proceeds without the constant confrontation with experiment often thought to be required for scientific validation. Richard Dawid explores this issue in the case of string theory. He offers a fascinating new perspective on non-empirical theory assessment, based on the concept of scientific underdetermination. I heartedly recommend this book to both physicists and philosophers.' David Gross, Kavli Institute for Theoretical Physics

Author Information

Richard Dawid is a philosopher of science at the University of Vienna and has a PhD in theoretical physics. His main research interests are philosophical questions related to contemporary high energy physics, as well as general issues in philosophy of science.

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