Space, Time and Gravitation: An Outline of the General Relativity TheoryUniversity Press, 1920 - 218 ページ |
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absolute significance acceleration aether appears arbitrary atom centrifugal force coordinates corresponding curvature curved defined definite deflection described determine direction displacement distance dr² ds² earth eclipse Einstein's law electrical energy equations Euclidean geometry Euclidean space exist experiment experimental field of force formula four-dimensional world geodesics give gravitational field hurdles inertia interval interval-length kind of space-time law of gravitation length light-wave mass material mathematical matter meaning measures mechanics mesh-system Michelson-Morley experiment momentum moving natural geometry natural tracks Newton's law Newtonian non-Euclidean observer orbit ordinary particle partitions phenomena Phys physicist physics planet point-events possible principle of relativity properties quantity radius recognised region relations relativity theory rigid scale rotation round scales and clocks seems space speed stars straight line supposed surface t₂ terrestrial theory of relativity thing three-dimensional three-dimensional space tion uniform motion values velocity of light W. K. CLIFFORD μν
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93 ページ - I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
167 ページ - But thou shalt have a perfect and just weight, a perfect and just measure shalt thou have : that thy days may be lengthened in the land which the LORD thy God giveth thee.
201 ページ - We have found a strange foot-print on the shores of the unknown. We have devised profound theories, one after another, to account for its origin. At last, we have succeeded in reconstructing the creature that made the foot-print. And Lo! it is our own.
115 ページ - For in and out, above, about, below, 'Tis nothing but a Magic Shadow-show, Play'd in a Box whose Candle is the Sun, Round which we Phantom Figures come and go.
109 ページ - Do not Bodies act upon Light at a distance, and by their action bend its Rays; and is not this action (caeteris paribus) strongest at the least distance?
14 ページ - Thus mathematics may be defined as the subject in which we never know what we are talking about, nor whether what we are saying is true.
77 ページ - The hypothesis that space is not homaloidal [flat], and again that its geometrical character may change with the time, may or may not be destined to play a great part in the physics of the future; yet we cannot refuse to consider them as possible explanations of physical phenomena, because they may be opposed to the popular dogmatic belief in the universality of certain geometrical axioms — a belief which has risen from centuries of indiscriminating worship of the genius of Euclid.
180 ページ - The best in this kind are but shadows ; and the worst are no worse, if imagination amend them.