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In it are results showing the laws of refraction, with tables of its amount, the maximum value of aberration, and other constants.
Results are better chemists than we, and their delicate root-fibres test the ground more accurately; we shall find them languishing for some favorite elements, or colored and persuaded by novel ones. History must remember the constants of Man and of Nature, but be always expecting their variables, lest her prophetic gift fall into ill-repute.
The ether of the general theory of relativity is transmuted conceptually into the ether of Lorentz if we substitute constants for the functions of space which describe the former, disregarding the causes which condition its state. Thus we may also say, I think, that the ether of the general theory of relativity is the outcome of the Lorentzian ether, through relativation.
None of us begins to understand the consequences, but it is no daring prophecy to say that the knowledge of how to create consent will alter every political calculation and modify every political premise. Under the impact of propaganda, not necessarily in the sinister meaning of the word alone, the old constants of our thinking have become variables.
He remarks that, in all its generality, the law may be translated thus: If the isothermal diagrams of two substances be drawn to the same scale, taking as unit of volume and of pressure the values of the critical constants, the two diagrams should coincide; that is to say, their superposition should present the aspect of one diagram appertaining to a single substance.
It has shown that, as I have already said, bodies must be arranged in groups, and this fact clearly proves that the properties of a given fluid are not determined by its critical constants alone, and that it is necessary to add to them some other specific parameters; M. Mathias and M. D. Berthelot have indicated some which seem to play a considerable part.
In reality, this is simply due to the fact that the characteristic equation only contains three constants. The philosophical importance and the practical interest of the discovery nevertheless remain considerable. As was to be expected, numbers of experimenters have sought whether these consequences are duly verified in reality.
In the second place it is not the only molecule of its kind, for there are innumerable other molecules, whose constants are not approximately, but absolutely identical with those of the first molecule, and this whether they are found on the earth, in the sun, or in the fixed stars.
Listen, and you shall learn what are to be the great constants of your expense, what Stephen Sewall would have called the regular verbs transitive of your being, doing, and suffering, and how many of the one hundred and seven are only exceptional Lamed Hhes, at which you can guess or which you can skip, if the great central movements of your economies go bravely on.
The three critical constants may be determined, as Mr S. Young and M. Amagat have shown, by a direct method based on the consideration of the saturated states. Results, perhaps more precise, may also be obtained if one keeps to two constants or even to a single one temperature, for example by employing various special methods.
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