Nature, Volume 95Sir Norman Lockyer Macmillan Journals Limited, 1915 - Electronic journals |
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Results 6-10 of 100
Page 20
... period 2A / N : the equilibrium is stable . When , however , w is reversed the product must be given the opposite sign , and we get a solution in real exponentials , starting falling - away from the upright position , which is continued ...
... period 2A / N : the equilibrium is stable . When , however , w is reversed the product must be given the opposite sign , and we get a solution in real exponentials , starting falling - away from the upright position , which is continued ...
Page 22
... period of rotation about the vertical is about 30'77 hours of sidereal time . Lord Kelvin's method of measuring w sin l con- sists in supporting a gyrostat on knife - edges attached to the projecting edge of the case , so that the gyro ...
... period of rotation about the vertical is about 30'77 hours of sidereal time . Lord Kelvin's method of measuring w sin l con- sists in supporting a gyrostat on knife - edges attached to the projecting edge of the case , so that the gyro ...
Page 23
... periods is , however , characteristic of rapidly spinning gyrostatic systems . Now suppose that the wire so long and ... period was 156. Allowing for officers com- missioned from the O.T.C. before August 5 , the total number of officers ...
... periods is , however , characteristic of rapidly spinning gyrostatic systems . Now suppose that the wire so long and ... period was 156. Allowing for officers com- missioned from the O.T.C. before August 5 , the total number of officers ...
Page 43
... period . On one side a hunter is attacking a mighty boar with a spear , the jungle being indicated by a tuft of fern - like sprays between the sportsman and his victim . On the other side is represented the critical moment of an ...
... period . On one side a hunter is attacking a mighty boar with a spear , the jungle being indicated by a tuft of fern - like sprays between the sportsman and his victim . On the other side is represented the critical moment of an ...
Page 44
... period for the thirteen weeks from November 29 , 1914 , to February 27 , 1915 . The temperature for the winter was in excess of the average over the whole of England , the greatest differ- ence occurring in the east and south - east and ...
... period for the thirteen weeks from November 29 , 1914 , to February 27 , 1915 . The temperature for the winter was in excess of the average over the whole of England , the greatest differ- ence occurring in the east and south - east and ...
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acid antiseptic appears applied April Astronomical atoms British British Museum carbon cent chemical chemistry chemists College colour comet committee contains deals described direction disease edition effect electric electron engineering experiments fact geological German given gives glass Government gyrostat heat heliometer helium hydrogen illustrated important industry insects INSTITUTION interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London manufacture March measured ment method Museum National Physical Laboratory Natural History observations Observatory obtained okapi optical organisation ossicone paper parallax photographs physical plants plates practical present pressure Price problem produced Prof proper motions published radiation radio-active radium recent reference regard Royal Society School scientific species specimens spectra spectrum stars surface temperature theory tion tube University vapour various volume W. H. Bragg W. H. Perkin
Popular passages
Page 220 - that the objects of the corporation shall be to encourage, in the broadest and most liberal manner, investigation, research, and discovery, and the application of knowledge to the improvement of mankind,
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Page 310 - With my pencil I made a rough sketch of the cone and pine I wanted and showed him it, when he instantly pointed to the hills about fifteen or twenty miles to the south. As I wanted to go in that direction he, seemingly with much good will, went with me. At midday I reached my long-wished
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Page 138 - of technical and scientific investigation and experimentation through the agency of the Smithsonian Institution and such other scientific and educational institutions and societies as may be selected by the directors. The Smithsonian Institution is interested in the management of this corporation through the membership of the secretary in its board of directors.
Page 136 - to be known as the Langley Aerodynamical Laboratory. The functions of the laboratory were defined to be the study of the problems of aerodromics, particularly those of aerodynamics, with such research and experimentation as may be necessary to increase the safety and effectiveness of aerial locomotion for the purposes of commerce, national
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Page 355 - Stagnant air at the same temperature as fresh air, even when it contains twenty or more parts of carbon dioxide, and all the organic and other substances in the breathed air of occupied rooms, has, so far, shown no effect on any of the physiological
Page 97 - makes up for its lack relatively to Africa and India of large man-eating Carnivora by the extraordinary ferocity or blood-thirstiness of certain small creatures of which the kinsfolk elsewhere are harmless. It is only here that fish no bigger than trout kill swimmers, and bats the size of the ordinary
Page 85 - Psychology has failed signally during the fifty odd years of its existence as an experimental discipline to make its place in the world as an undisputed natural science.