Popular Lectures and Addresses, Volumen 1Macmillan and Company, 1891 - 502 páginas |
Otras ediciones - Ver todo
Popular Lectures and Addresses: Constitution of matter William Thomson Baron Kelvin Vista completa - 1891 |
Términos y frases comunes
absolute measurement according atoms attraction body capillary cent centimetre centre collision colours condensation copper density diagram diameter distance dynamical earth effect elastic solid electric electro-magnetic electrometer electromotive force electrostatic energy equal equilibrium experiment explain film fluid galvanometer give globe gravitation gyrostatic hand illustrated imagine inch kilometres kilometres per second kinetic theory length less Leyden jar liquid Lord Rayleigh luminiferous ether magnetic mass mathematical matter metre micro-millimetres millimetre million million millions per second molecular molecules motion mutual Nicol prism observation particles perceive piece plane plate polarised present pressure radiant heat radiation radius reckoning resistance result rotation round Siemens Siemens unit sound space spectrum spherule square square centimetres sun's suppose surface temperature tension theory of gases thickness tion tube uranium glass vapour velocity vessel vibrations violet light wave wave-length whole wire
Pasajes populares
Página 229 - the beginning of this century, and find Rumford's conclusion regarding the heat generated in boring a brass gun : " It appears to me to be extremely difficult, if not quite impossible, to form any distinct idea of anything capable of being excited and communicated in the manner the heat was excited and communicated in these experiments, except it be MOTION ;
Página 224 - to be magnified up to the size of the earth, each constituent molecule being magnified in the same proportion. The magnified structure would be more coarse-grained than a heap of small shot, but probably less coarsegrained than a heap of footballs. 1
Página 224 - of a centimetre. To form some conception of the degree of coarse-grainedness indicated by this conclusion, imagine a globe of water or glass, as large as a football, 1 to be magnified up to the size of the earth, each constituent molecule being magnified in the same proportion. The magnified structure would be more
Página 360 - from matter circulating round the sun, within very short distances of his surface. The density of this meteoric cloud would have to be supposed so great that comets could scarcely have escaped as comets actually have escaped, showing no discoverable effects of resistance, after passing his surface within a distance equal to
Página 230 - as a peculiar motion, probably a vibration, of the corpuscles of bodies, tending to separate them. . . ." " To distinguish this motion from others, and to signify the causes of our sensations of heat, &c, the name repulsive motion has been adopted.
Página 171 - This is barely, if at all, admissible, according to our present knowledge, or, rather, want of knowledge, regarding the heat of combination of zinc and copper. But suppose the metal plates and intervening spaces to be made yet four times thinner, that is to say, the thickness of each to be
Página 356 - The result would inevitably be a state of universal rest and death, if the universe were finite and left to obey existing laws. But it is impossible to conceive a limit to the extent of matter in the