01555nam a22001937a 4500 20260608135427.0 260608b |||||||| |||| 00| 0 eng d (pbk) UE-CL 530.11 R911 Russell, Bertrand The abc of relativity / Bertrand Russell London : A Mentor Book, 1956 144 p. 1. Touch and sight: the earth and the heavens ............... 9 2. What happens and what is observed ......................... 16 3. The velocity of light ............................................... 24 4. Clocks and foot-rules .............................................. 32 5. Space-time ............................................................ 41 6. The special theory of relativity ............................. 49 7. Intervals in space-time .......................................... 61 8. Einstein’s law of gravitation ................................. 72 9. Proofs of einstein’s law of gravitation ................... 83 10. Mass, momentum, energy, and action ................... 91 11. The expanding universe ........................................ 103 12. Conventions and natural laws ............................... 114 13. The abolition of ‘force’ ........................................ 123 14. What is matter? ................................................... 131 15. Philosophical consequences ................ English Abc--Relativity BK 27013 27012 0 0 0 0 LIST LIST 2026-06-08 0 530.11 R911 T6698D 2026-06-08 13:54:55 2026-06-08 SYK