Mathematical and Physical Papers, Volume 5At the University Press, 1911 - Mathematics |
Contents
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| 5 | |
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| 58 | |
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| 118 | |
| 124 | |
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| 141 | |
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| 601 | |
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Common terms and phrases
absolute air-pump alternating current amount amperes apparatus approximately atmosphere atoms axis battery carbonic acid cell cent centimetres centre chaleur circuit Clausius coil collision conductor connected constant convenient copper corpuscules cylinder denote density diameter direction distance earth Edinb effect elastic electric electrometer electromotive force electrostatic energy equal equation equilibrium experiments fluid force galvanometer gaseous gases glass gravity heat Hence infinitely instrument insulated Joule liquid magnetic mass Math matter measured mechanical mercury metal millimetre molecules motion nutation observations osmotic pressure oxygen paper parallelepiped Peltier effect Phil Phys piston plane plate position pressure probable Proc produced quantity resistance rotation Royal Society sensible Soleil solid solution space spherical square steam-pressure stopcocks substance sulphurous acid suppose supposition surface temperature tetrakaidecahedron theory thermal thermo thermodynamic thermoscope Thomson tube upper vapour velocity vertical volume whole wire zero zinc
Popular passages
Page 65 - ... a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity, that I believe no man who has in philosophical matters a competent faculty of thinking, can ever fall into it. Gravity must be caused by an agent acting constantly according to certain laws ; but whether this agent be material or immaterial, I have left to the consideration of my readers.
Page 64 - It is inconceivable, that inanimate brute matter should, without the mediation of something else, which is not material, operate upon, and affect other matter without mutual contact; as it must do, if gravitation, in the sense of Epicurus, be essential and inherent in it.
Page 64 - That gravity should be innate, inherent and essential to matter, so that one body may act upon another at a distance through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity, that I believe no man who has in philosophical matters a competent faculty of thinking, can ever fall into it.
Page 141 - ... into heat, than to a single finite mechanism, running down like a clock and stopping for ever. It is also impossible to conceive either the beginning or the continuance of life without a creating and overruling power.
Page 459 - I thank you for the patience with which you have listened to me, and on which I have unwillingly trespassed so long.
Page 205 - Uniformitarianism, to deny that the rapidity of the rotation of the earth may be diminishing, that the sun may be waxing dim, or that the earth itself may be cooling. Most of us, I suspect, are Gallios, " who care for none of these things...
Page 520 - I went into the cube and lived in it, and using lighted candles, electrometers, and all other tests of electrical states, I could not find the least influence upon them, or indication of...
Page 207 - It seems, therefore, on the whole most probable that the sun has not illuminated the earth for 100,000,000 years, and almost certain that he has not done so for 500,000,000 years. As for the future, we may say, with equal certainty, that inhabitants of the earth cannot continue to enjoy the light and heat essential to their life, for many million years longer, unless sources now unknown to us are prepared in the great storehouse of creation.
Page 208 - The time required for such a slow process to effect such enormous results must of course be taken to be inconceivably great. The word * inconceivably ' is not here used in a vague but in a literal sense, to indicate that the lapse of time required for the denudation that has produced the present surfaces of some of the older rocks, is vast beyond any idea of time which the human mind is capable of conceiving.
Page 206 - He who can read Sir Charles Lyell's grand work on the Principles of Geology, which the future historian will recognise as having produced a revolution in natural science, and yet does not admit how vast have been the past periods of time, may at once close this volume.