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Physicist . . . Novelist . . . Playwright IWU's Tony Rothman Co-Authors New Physics Book Expressing Doubt and Certainty About Key Scientific Questions

Bob Aaron

Published Jan 1, 1998• 0 citations
OpenAlex

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Louis de Broglie—Physicist and thinker

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Tushna Commissariat talks to Tony and Olivier-Award-winning playwright Simon Stephens about his play Heisenberg: the Uncertainty Principle , and how he was inspired by quantum mechanics

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The World According to Physics

Jim Al-Khalili

Quantum physicist, New York Times bestselling author, and BBC host Jim Al-Khalili offers a fascinating and illuminating look at what physics reveals about the world Shining a light on the most profound insights revealed by modern physics, Jim Al-Khalili invites us all to understand what this crucially important science tells us about the universe and the nature of reality itself. Al-Khalili begins by introducing the fundamental concepts of space, time, energy, and matter, and then describes the three pillars of modern physics—quantum theory, relativity, and thermodynamics—showing how all three must come together if we are ever to have a full understanding of reality. Using wonderful examples and thought-provoking analogies, Al-Khalili illuminates the physics of the extreme cosmic and quantum scales, the speculative frontiers of the field, and the physics that underpins our everyday experiences and technologies, bringing the reader up to speed with the biggest ideas in physics in just a few sittings. Physics is revealed as an intrepid human quest for ever more foundational principles that accurately explain the natural world we see around us, an undertaking guided by core values such as honesty and doubt. The knowledge discovered by physics both empowers and humbles us, and still, physics continues to delve valiantly into the unknown. Making even the most enigmatic scientific ideas accessible and captivating, this deeply insightful book illuminates why physics matters to everyone and calls one and all to share in the profound adventure of seeking truth in the world around us.

Princeton University Press eBooks•Mar 27, 2020•7 citations

The Problems of Physics, Reconsidered: A Conversation with Tony Leggett

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Questions and Answers

George Jaroszkiewicz

Questions and Answers What Is Physics?Throughout this book we shall be concerned greatly with questions and answers.The subject that an observer asks a question of will be denoted by a bold symbol such as Ψ.On the other hand, the question that is asked of a subject will be denoted by a barred bold symbol such as Q.Then the answer A that is obtained when that question is asked of that subject will be denoted by A ≡ QΨ.This notation will be used to explain what quantized detector networks (QDN) is all about and in its mathematical implementation.Note that the left-right ordering here is significant: ΨQ will mean something very different.If I, the author, were asked the question Q ≡ What is physics?, my answer QI would be QI = Physics is the process whereby observers first formulate, then ask, and then answer, empirical questions.We need to clarify some points about this answer.By empirical, we mean according to the established principles of science, whereby theorists make propositions or assertions and then establish the truth values of those propositions relative to experiments carried out by unbiased experimentalists.This is done to acquire information about systems under observation (SUOs) in order to add to our knowledge about the relative physical Universe (that part of the Universe empirically accessible to us).We are motivated to do all this for numerous reasons, not the least of which is basic curiosity.This is the view of physics taken in this book.Physics is emphatically not a discipline that philosophers and metaphysicists can meaningfully contribute to, because without empirical testing, any proposition has to be regarded as scientifically vacuous (empirically meaningless).The questions relevant to physicists are posed through experiments and consequently will be referred to as empirical questions.Other sorts of questions will be referred to as theoretical questions.

Cambridge University Press eBooks•Jul 13, 2023•0 citations
Quantum physicist, New York Times bestselling author, and BBC host Jim Al-Khalili offers a fascinating and illuminating look at what physics reveals about the world Shining a light on the most profound insights revealed by modern physics, Jim Al-Khalili invites us all to understand what this crucially important science tells us about the universe and the nature of reality itself. Al-Khalili begins by introducing the fundamental concepts of space, time, energy, and matter, and then describes the three pillars of modern physics—quantum theory, relativity, and thermodynamics—showing how all three must come together if we are ever to have a full understanding of reality. Using wonderful examples and thought-provoking analogies, Al-Khalili illuminates the physics of the extreme cosmic and quantum scales, the speculative frontiers of the field, and the physics that underpins our everyday experiences and technologies, bringing the reader up to speed with the biggest ideas in physics in just a few sittings. Physics is revealed as an intrepid human quest for ever more foundational principles that accurately explain the natural world we see around us, an undertaking guided by core values such as honesty and doubt. The knowledge discovered by physics both empowers and humbles us, and still, physics continues to delve valiantly into the unknown. Making even the most enigmatic scientific ideas accessible and captivating, this deeply insightful book illuminates why physics matters to everyone and calls one and all to share in the profound adventure of seeking truth in the world around us.
Questions and Answers What Is Physics?Throughout this book we shall be concerned greatly with questions and answers.The subject that an observer asks a question of will be denoted by a bold symbol such as Ψ.On the other hand, the question that is asked of a subject will be denoted by a barred bold symbol such as Q.Then the answer A that is obtained when that question is asked of that subject will be denoted by A ≡ QΨ.This notation will be used to explain what quantized detector networks (QDN) is all about and in its mathematical implementation.Note that the left-right ordering here is significant: ΨQ will mean something very different.If I, the author, were asked the question Q ≡ What is physics?, my answer QI would be QI = Physics is the process whereby observers first formulate, then ask, and then answer, empirical questions.We need to clarify some points about this answer.By empirical, we mean according to the established principles of science, whereby theorists make propositions or assertions and then establish the truth values of those propositions relative to experiments carried out by unbiased experimentalists.This is done to acquire information about systems under observation (SUOs) in order to add to our knowledge about the relative physical Universe (that part of the Universe empirically accessible to us).We are motivated to do all this for numerous reasons, not the least of which is basic curiosity.This is the view of physics taken in this book.Physics is emphatically not a discipline that philosophers and metaphysicists can meaningfully contribute to, because without empirical testing, any proposition has to be regarded as scientifically vacuous (empirically meaningless).The questions relevant to physicists are posed through experiments and consequently will be referred to as empirical questions.Other sorts of questions will be referred to as theoretical questions.