Book

The A B C of Relativity

by Bertrand Russell (1872–1970)

15 chapters, about 44,000 words. The text is in the public domain in the United States and comes from Project Gutenberg.

Chapters

1. CHAPTER ONE: TOUCH AND SIGHT: THE EARTH AND THE HEAVENS 2,500 words
2. CHAPTER II: WHAT HAPPENS AND WHAT IS OBSERVED 2,800 words
3. CHAPTER III: THE VELOCITY OF LIGHT 3,200 words
4. CHAPTER IV: CLOCKS AND FOOT RULES 2,900 words
5. CHAPTER V: SPACE-TIME 2,600 words
6. CHAPTER VI: THE SPECIAL THEORY OF RELATIVITY 3,800 words
7. CHAPTER VII: INTERVALS IN SPACE-TIME 3,500 words
8. CHAPTER VIII: EINSTEIN’S LAW OF GRAVITATION 4,000 words
9. CHAPTER IX: PROOFS OF EINSTEIN’S LAW OF GRAVITATION 2,200 words
10. CHAPTER X: MASS, MOMENTUM, ENERGY AND ACTION 2,900 words
11. CHAPTER XI: IS THE UNIVERSE FINITE? 2,600 words
12. CHAPTER XII: CONVENTIONS AND NATURAL LAWS 2,800 words
13. CHAPTER XIII: THE ABOLITION OF “FORCE” 2,600 words
14. CHAPTER XIV: WHAT IS MATTER? 2,700 words
15. CHAPTER XV: PHILOSOPHICAL CONSEQUENCES 2,500 words

Ideas discussed in this book

• Energy
• Euclid
• Euclidean geometry
• Geography
• Interpretation (logic)
• Interval (music)
• Mass
• Matter
• Mercury (planet)
• Momentum
• Physicist
• Theory of relativity
• Triangle
• Velocity

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