Introduction, Acknowledgments, 1 What this book is about, 1.1 Introduction, 1.2 My story, 1.3 Intuition, 1.4 Incompleteness, 1.5 Human aspects, 1.6 Reasons for reading this book, 1.7 Arrangement of the chapters, 2 There is no free lunch. Temperature and energy: science for the environment (Hero: Count Rumford), 2.1 Introduction, 2.2 How cold can we get?, 2.3 Historical notes on thermodynamics, 2.4 What Is the highest temperature?, 2.5 What is energy conservation?, 2.6 A marriage of energy and mass, 2.7 Perpetual motion?, 2.8 Energy for mankind, 2.9. Summary, 3 Painting by numbers. Elements and particles: science as prediction (Hero: Dmitri Mendeleev), 3.1 Introduction, 3.2 Chemistry in 1867, 3.3 The Periodic Table and three predictions, 3.4 Confirmation, 3.5 The atom in the 1890s, 3.6 The atom split, 3.7 Incompleteness, 3.8 Plum-pudding or planetary system?, 3.9 A taxonomy of particles, 3.10 Basic forces, 3.11 Predictions of particles, 3.12 Electrons yield modern electronics, 3.13 Summary, 4 Why you cannot unscramble an egg. Time and entropy: science and the unity of knowledge (Hero: Ludwig Boltzmann), 4.1 What is entropy?, 4.2 How can we move in time?, 4.3 The first problem: can all molecular velocities be reversed?, 4.4 A second problem: coarse-graining, 4.5 Timeâs arrow as an illusion, 4.6 Different arrows of time, 4.7 Entropy as metaphor, 4.8 Summary, 5 How a butterfly caused a tornado. Chaos and life: science as synthesis (Hero: Charles Darwin), 5.1 Introduction, 5.2 Limits of predictability in Newtonian mechanics, 5.3 Chemical and population chaos, 5.4 Abrupt changes (âphase transitionsâ), 5.5 Self-organization, 5.6 Entropy is not always disorder, 5.7 The origin of life, 5.8 Summary, 6 Now you see it, now you donât. Quantum theory: science and the invention of concepts (Hero: Max Planck), 6.1 Introduction, 6.2 Quantum mechanics: the elimination of unobservables, 6.3 Wave mechanics: the optics-mechanics analogy, 6.4 A brief history of the new mechanics, 6.5 Wavefunctions and probabilities, 6.6 Attempts to understand quantum mechanics, 6.7 Comments on quantum mechanics, 6.8 Quantum effects, 6.9 Can gravity affect temperature or light?, 6.10 Matter drained of heat, 6.11 A look at superconductivity, 6.12 Summary, 7 The galactic highway. Cosmology: science as history (Hero: Albert Einstein), 7.1 Ages, 7.2 Hubbleâs law, 7.3 Cosmological models, 7.4 The ârelicâ radiation, 7.5 Olbersâ Paradox, 7.6 The oscillating universe, 7.7 The origin of the elements, 7.8 Black holes, 7.9 Some problems, 7.10 Time machines, 7.11 Summary, 8 Weirdness or purity. Mathematics: science as numbers (Hero: Arthur Eddington), 8.1 Introduction, 8.2 G¶delâs theorem: consistency and incompleteness, 8.3 Complexity and randomness, 8.4 Infinities, 8.5 The physical constants, 8.6 Cosmical coincidences, 8.7 The anthropic principle, 8.8 The Copemican principle, 8.9 Summary, 9 The last question. Does God exist? (Hero: Blaise Pascal), 9.1 Introduction, 9.2 G¶delian statements, 9.3 The evidence of thermodynamics, 9.4 The evidence from cosmology, 9.5 The evidence from quantum mechanics, 9.6 Conclusion, 10 Love of my life. Science as human activity (Hero: readers are invited to choose their own), 10.1 Happiness, 10.2 Limits of science, 10.3 Distortions: science and the public, 10.4 Science wars?, 10.5. Concluding remarks, Glossary, References, Name Index, Index