The New Physics and Its EvolutionK. Paul, Trench, Trübner, 1907 - 344 pagini |
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Pagina xv
... action— Laws of radiation - Radiation of gases - Production of spectrum - Differences between light and sound varia- tions show difference of media - Cauchy's , Briot's , Car- vallo's and Boussinesq's researches - Helmholtz's and ...
... action— Laws of radiation - Radiation of gases - Production of spectrum - Differences between light and sound varia- tions show difference of media - Cauchy's , Briot's , Car- vallo's and Boussinesq's researches - Helmholtz's and ...
Pagina 11
... action of these parts on each other , would then be sufficient to enable us to foretell all that can occur in the domain of nature . This was the great thought clearly expressed by the Encyclopædists of the eighteenth century ; and if ...
... action of these parts on each other , would then be sufficient to enable us to foretell all that can occur in the domain of nature . This was the great thought clearly expressed by the Encyclopædists of the eighteenth century ; and if ...
Pagina 25
... action of external phenomena , and to withdraw the experiment from the influence of even the personality of the observer . This standard is no longer , as formerly , a flat rule , weak and fragile , but a rigid bar , incapable of de ...
... action of external phenomena , and to withdraw the experiment from the influence of even the personality of the observer . This standard is no longer , as formerly , a flat rule , weak and fragile , but a rigid bar , incapable of de ...
Pagina 31
... action which gravity has upon the body under con- sideration ; this action does not depend solely on the body , but on the earth as well ; and when it is changed from one spot to another , the weight changes , because gravity varies ...
... action which gravity has upon the body under con- sideration ; this action does not depend solely on the body , but on the earth as well ; and when it is changed from one spot to another , the weight changes , because gravity varies ...
Pagina 47
... action of the earth on the unit of mass placed in one point , and the intensity of gravity , is measured , as we know , by the aid of a pendulum . The methods of measurement , whether by absolute or by relative determinations , so ...
... action of the earth on the unit of mass placed in one point , and the intensity of gravity , is measured , as we know , by the aid of a pendulum . The methods of measurement , whether by absolute or by relative determinations , so ...
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Termeni și expresii frecvente
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
Pasaje populare
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.