The New Physics and Its EvolutionK. Paul, Trench, Trübner, 1907 - 344 pagini |
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... FORCES OF NATURE . By DR . LE BON . Crown 8vo . Price 5s . Several further volumes are in preparation , and will be issued immediately . 7 The following Works are not included in the International Scientific NEW VOLUMES.
... FORCES OF NATURE . By DR . LE BON . Crown 8vo . Price 5s . Several further volumes are in preparation , and will be issued immediately . 7 The following Works are not included in the International Scientific NEW VOLUMES.
Pagina 35
... of another nature than that of the magnitude to be measured . Such experiments are made possible by the phenomena of gravitation . We could employ , for instance , the pendulum by adopting , as the unit of force , MEASUREMENTS 35.
... of another nature than that of the magnitude to be measured . Such experiments are made possible by the phenomena of gravitation . We could employ , for instance , the pendulum by adopting , as the unit of force , MEASUREMENTS 35.
Pagina 36
Lucien Poincaré. pendulum by adopting , as the unit of force , the force which renders the constant of gravitation equal to unity . The unit of time thus defined would be independent of the unit of length , and would depend only on the ...
Lucien Poincaré. pendulum by adopting , as the unit of force , the force which renders the constant of gravitation equal to unity . The unit of time thus defined would be independent of the unit of length , and would depend only on the ...
Pagina 41
... force of a gas , and yet is also connected with the principles of thermodynamics . This is what Professors Lummer and Pringsheim have shown in a series of studies which may cer- tainly be reckoned among the greatest experimental ...
... force of a gas , and yet is also connected with the principles of thermodynamics . This is what Professors Lummer and Pringsheim have shown in a series of studies which may cer- tainly be reckoned among the greatest experimental ...
Pagina 46
... force , of the two masses , and of their distance . But when we wish to make laboratory experiments serious difficulties appear , owing to the weakness of the attraction between masses of ordinary dimen- sions . Microscopic forces , so ...
... force , of the two masses , and of their distance . But when we wish to make laboratory experiments serious difficulties appear , owing to the weakness of the attraction between masses of ordinary dimen- sions . Microscopic forces , so ...
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absolute actinium action analogous appear atoms becomes bodies calorific cathode rays centimetre chemical Clausius complete conservation of energy considerable considered constant constitution contrary corresponding Crookes tube discovery dissociated domain Duhem Edition effected elastic electric electrolytes electromagnetic electrons endeavoured energy entropy enunciated equilibrium ether evolution exist experimental experiments fact fluids gaseous gases give given heat Hertz hydrogen hypothesis idea important ions J. J. Thomson kinetic theory known laws light liquid Lord Kelvin luminous Madame Curie magnetic field magnitude mass matter measure mechanics metals method metre millimetre molecular molecules moreover movement nature obtained optical ordinary particles particular phenomena phenomenon physicists physics possible precision present pressure principle of Carnot produced Professor propagation properties quantity question radiations radioactive radium reality regard relation remarkable researches scholars seems solid solution speed substances succeeded temperature thermodynamics tion transformations tube unit variations velocity vibrations vis viva wave-lengths waves
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Pagina 19 - I often say that if you can measure that of which you speak, and can express it by a number, you know something of your subject ; but if you cannot measure it, your knowledge is meagre and unsatisfactory.