Philosophy And Modern Science Author:Harold T. Davis PHILOSOPHY and MODERN SCIENCE By PROFESSOR HAROLD T. DAVIS Indiana University THE PRINCIPIA PRESS Bloomington 1931 Indiana Tho FoiKjiult pnmliiliirn experiment was performed in the Pantheon at Paris In 1831. Or. o xpl. inatuip nt it m stcry in connected with modern limitation impoHod upon space and time. Fioin Hanotauxs Hiatoire de la Nation Fra... more »ngalse, vol. xiv. CONTENTS CHAPTER I. SCIENCE THE MODERN META PHYSICS. 1. Man and Mystery I 2. The Anthropomorphic Character of Scientific Concepts 3 3. Is Nature Rational 6 4. The Scientific Reformation 8 5. Action at a Distance 1 1 6. The Principle of Least Action 12 7. The Ether Postulate 16 8. The Discovery of Entropy 18 9. Science The New Metaphysics 25 CHAPTER II. THE PHILOSOPHICAL BACK GROUND OF MODERN PHYSICS. 1. The Value of Abstract Speculation 26 2. Zenos Paradoxes 28 3. The Atomists 30 4. The Philosophy of Descartes 33 5. Are there Postulates of Normal Intuition. . . 37 6. Newtons Absolute Space and Time 38 7. The Contributions of Locke and Leibnitz .... 39 8. Immanuel Kant and the Subjective View 41 9. The Antinomies of Reason 43 10. Psychological Duration 45 n. Poincare and the Foundations of Geometry. . . 47 12. Ernst Mach Relativity and Inertia 52 13. The Intellectual Evolution 56 CHAPTER III. IS THERE AN ETHER 1. Galileo and Inertia 58 2. Foucaults Pendulum Experiment 62 3. A Discursion on Energy 64 4. The Elastic Solid Ether 67 5. Maxwells Ether and the Electro-Magnetic Theory of Light 73 v CONTENTS Continued 6. The Ether of Stokes 76 7. The Wraith-Like Ether of Lorentz 77 8. The Ether as the Primary Atom 79 9. Is there an Ether Si CHAPTER IV. DOES MATTER DRAG THE ETHER 1. Huygens and the Wave Theory of Light 84 2. The Corpuscular Theory of Light 87 3. The Phenomenon of Interference 88 4. The Diffraction of Light 90 5. The Puzzle of Aberration 93 6. Does Matter Drag the Ether 97 7. Fizeaus Proof of Fresnels Theory 100 8. Is there an Ether Wind 101 9. Optical Proof that the Earth Rotates 105 10. The Paradoxical Ether 106 CHAPTER V. TIME, SPACE, AND THE FOURTH DIMENSION. 1. The Ether Paradox 109 2. The Contraction Hypothesis 112 3. The Lorentz Transformation 115 4. Einstein and the Subjective View 121 5. The Velocity of Light as a Basic Constant. ... 125 6. The Geometry of Lighf Rays 127 7. Light and Time 131 8. The Postulate of Relativity 133 9. The Concept of Space-Time 134 10. The Law of Addition of Velocities 135 ii. Mass and Velocity 138 12. The Identification of Mass and Energy 139 13. The New Metaphysics 142 CHAPTER VI. WHAT IS GRAVITATION 1. The Problem of Knowledge 143 2. Newton and Gravitation 145 3. Properties of Gravitation 148 4. Mechanical Theories of Gravitation 155 VI CONTENTS Continued 5. Space, Time, and Gravitation 158 6. Einsteins Theory of Gravitation 161 7. The Vindicating Experiments 165 8. The Music of the Spheres 170 9. What is Gravitation 172 CHAPTER VII. IS NATURE FINITE 1. Voltaire and the Infinities of Newton 174 2. Logical Origins of the Infinity Concept 175 3. How Does an Electron Know How Large to Be 180 4.. Space-Time and Infinity 182 5. Einsteins Cosmology The Ghost Star Theory 185 6. Astronomical Space 187 7. Is Matter Uniformly Dense Throughout Space 188 8. The Galaxy and the Spirals 190 9. De Sitters Cosmology The u Wall of Time Theory 193 10. Is Nature Finite 197 CHAPTER VIII. THE ATOM CONCEPT. 1. Continuity versus Atomism 201 2. An Atomic Picture of Matter 204 3. The Hypothesis of Avogadro 205 4. The Atom of Boscovich 206 5. The Vortex-ring Theory of the Atom 208 6. The Ether-Squirt Atom 209 7. Crookes Fourth State of Matter 212 8. X-rays and Radio-activity 214 9. Radium and the New Alchemy 216 10. Sub-Atomic Exploration 217 1 1. Weighing the Electron 219 12. Do Macrocosmic Laws Hold in the Microcosm 223 13. The Photo-Electric Effect 224 14. The Ether and Natural Law 225 CHAPTER IX. THE LAWS OF CHANCE. 1. Probability and the Discontinuity of Nature. . 227 2. The Nature of Natural Law 228 vii CONTENTS Continued 3...« less