Bertrand Russell ; with an introduction by Peter Clark.
xvii, 150 pages :
illustrations ;
20 cm.
Routledge classics.
Includes index.
Originally published: A B C of relativity. London : George Allen & Unwin, 1925.
Touch and sight: the earth and the heavens -- What happens and what is observed -- The velocity of light -- Clocks and foot-rules -- Space-time -- The special theory of relativity -- Intervals in space-time -- Einstein's law of gravitation -- Proofs of Einstein's law of gravitation -- Mass, momentum, energy, and action -- The expanding universe -- Conventions and natural laws -- The abolition of 'force' -- What is matter? -- Philosophical consequences.
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As relevant today as it was on first publication, the ABC of Relativity is a masterwork of scientific popularisation and an accessible introduction to Einstein?s theory of relativity.