Preface 1 How light behaves 1.1 First observations 1.2 The speed of light in vacuum 1.3 White light and colors 1.4 Slideness 1.5 Variations in intensity 1.6 The rainbow 2 Newton's particle theory 2.1 Theory building 2.2 The particle theory of refraction 2.3 Ramifications 2.4 A decisive test 2.5 Summary 2.6 Newton himself 3 A wave theory of light 3.1 Waves 3.2 Some general properties of waves 3.3 Light as a wave? 3.4 Refraction quantitatively 3.5 Waves in perspective 4 Interference 4.1 Interference defined 4.2 Two-source interference 4.3 Interference in light? 4.4 Measuring the wavelength of light 4.5 Color and wavelength 4.6 Thomas Young 4.7 The single slit 4.8 More interference phenomena 5 Electromagnetic waves …… 6 The photon 7 The wave-particle duality 8 Does the speed off light depend on the motion of the source of light? 9 The principles of the Special Theory of Relativity 10 Time dilation and length contraction 11 E=mc2 12 The twins 13 The Lorentz transformation 14 Space and time Glossary Appendix Index
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