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The physicists had to make mystic passes in front of meters and mutter about residual folds in stress-free space. Our task was easy, because we were about half a light-year from the sun. The crew's job was also easy: they found what went wrong in less than half an hour. "It still seems incredible. To program the ship for a star-jump, you merely told it where you were and where you wanted to go.
Without exception, the authoritative physicists of our time accept this plenum as a verity, and reason about it with something of the same confidence they manifest in speaking of "ponderable" matter or of, energy. It is true there are those among them who are disposed to deny that this all-pervading plenum merits the name of matter.
The meeting of the American Association was one of unusual interest and importance to the members of Section B. This is to be attributed not only to the unusually large attendance of American physicists, but also to the presence of a number of distinguished members of the British Association, who have contributed to the success of the meetings not only by presenting papers, but by entering freely into the discussions.
Clearly, if there were no friction, the ring's inertia must make it a permanent structure. Only the frictionless medium was lacking to fulfil all the conditions of Helmholtz's indestructible vortices. And at once Lord Kelvin bethought him of the frictionless medium which physicists had now begun to accept the all-pervading ether.
Quite on the contrary the lifetime of the earth seems to be limited to a few millions of years. The researches of Lord Kelvin and other eminent physicists seem to leave no doubt on this point. Of course all estimates of this kind are only vague and approximate, but for our present purposes they may be considered as sufficiently exact.
The war horse of these gentlemen is the conception entertained by physicists at the present-day concerning matter, according to which it has substance in the precise degree that it is a manifestation of energy. "If matter is scarcely real, then what is the validity of materialism?" shout the friars enthusiastically. The argument smacks of the seminary and is absolutely worthless.
I readily grant that the term "persistence of force" is not a happy one, seeing that the word "force," as used by physicists, does not at the present time convey the full meaning which Mr. Spencer desires it to convey.
It is thanks to it that the system of measurements unanimously adopted by physicists has been formed.
Will you remember to tell Zeus all this? and you may add that I cannot remain at my post unless he will pulverize the physicists, muzzle the logicians, raze the Porch, burn the Academy, and put an end to strolling in the Lyceum. That might secure me a little peace from these daily mensurations. 'I will remember, said I, and resumed my upward flight to Heaven, through
It is often stated that he was the inventor of the box respirator, but this he would have been the first to deny. His great merit was as an organiser. He gathered round him an enthusiastic group of young chemists and physicists, and the box respirator represents the joint result of their researches, carried out under his inspiration and controlled by his admirable practicable judgment.
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