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It appeared that Washington had at length, however tardily, roused out of its inertia and at midnight had telegraphed instructions to arrest out of hand every enemy alien in the land against whom there was evidence of conspiracy or even a ponderable suspicion.
But here again, at the very zenith of a shout, was he frozen to silence by a vision this time one too obviously of no ponderable fabric.
This conception suggests itself the more readily as, according to Lorentz's theory, electromagnetic radiation, like ponderable matter, brings impulse and energy with it, and as, according to the special theory of relativity, both matter and radiation are but special forms of distributed energy, ponderable mass losing its isolation and appearing as a special form of energy.
My idea is that the common air inspired enters into the venous blood entire, in a state of dissolution, carrying with it its subtle or ethereal part, which in ordinary cases of chemical change is given off; that it expels from the blood carbonic acid gas and azote; and that in the course of the circulation its ethereal part and its ponderable part undergo changes which belong to laws that cannot be considered as chemical the ethereal part probably producing animal heat and other effects, and the ponderable part contributing to form carbonic acid and other products.
Of the specific gravity of the air he seems to be amusingly uncertain, making it first 833 times and afterwards 770 times less than that of water; and in the same connection he says, in chosen phrase, that 'density, or closeness, is another quality of the atmosphere, as if it were its characteristic, and not common to all ponderable matter."
Sullivan calls "the need and the power to build," the spirit of great art alone is lacking, and that is already stirring in the secret hearts of men, and will sooner or later find expression in objective and ponderable forms of new beauty. These it is your privilege to create. May the opportunity find you ready! There is a saying, "To be young, to be in love, to be in Italy!"
And does he not know that it changes its course whenever it passes from a vacuum into any ponderable medium or in the opposite direction? In future attempts to make science easy, let him remember that these are all equally instances of refraction, and should be included in its definition.
The colour did not come back to his face; it continued as bloodless as ever, but there was a ponderable light in his eyes, and his jaws became more and more firmly set. It was not a pleasant face to watch at that moment, for he seemed to sit with a growing resolve. Long moments passed before he moved a muscle, but then he heard, far away, thin, and clear, whistling from behind the hotel.
How does it come about that alongside of the idea of ponderable matter, which is derived by abstraction from everyday life, the physicists set the idea of the existence of another kind of matter, the ether? The explanation is probably to be sought in those phenomena which have given rise to the theory of action at a distance, and in the properties of light which have led to the undulatory theory.
At the same time, under the Contra-Levitatem maxim, it was impossible to conceive of substance except as ponderable substance. These experiments are rightly regarded as the actual beginning of modern chemistry. In Lavoisier we find an observer of nature who was predominantly interested in what the scales could tell about changes in substances.
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