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The clouds you see floating in the sky are made of exactly the same kind of water-dust as the cloud from the kettle, and I wish to show you that this is also really the same as the invisible steam within the kettle. I will do so by an experiment suggested by Dr. Tyndall. Here is another spirit-lamp, which I will hold under the cloud of steam see! the cloud disappears!
But what different meanings the two writers aim to convey: Tyndall is thinking of the fact that a living body is constantly taking up new material on the one side and dropping dead or outworn material on the other. M. Bergson's mind is occupied with the thought of the primal push or impulsion of matter which travels through it as the force in the wave traverses the water.
A thousand possible errors surround it. It can only yield scientific results in the hands of a master in physical experiment. And we find that when it has secured the requisite skill, as in the hands of Prof. Tyndall, for example, the result has been the irresistible deduction that living things have never been seen to originate in not-living matter.
"Captain Prescott, what is wrong with your boat?" demanded Referee Tyndall, as the judges' launch stole up close. "Something seems to be wrong with us, I'll admit, sir," Dick made answer. "I'll be greatly obliged to you, sir, if you'll tell me what it is. "What are you towing?" asked the referee bluntly. "Towing?" repeated Dick in bewilderment. "That's what I asked," repeated the referee.
The recent address delivered by Professor Tyndall before the British Association at Belfast, in which he "confessed" that he "prolonged the vision backward across the boundary of experimental evidence, and discerned in matter the promise and potency of every quality and form of life," produced one by no means very surprising result. Dr.
There is, then, an intangible but none the less potent web of association between the scientific work of Rumford and some of the most important researches that were conducted at the Royal Institution long years after his death; and one is led to feel that it was not merely a coincidence that some of Faraday's most important labors should have served to place on a firm footing the thesis for which Rumford battled; and that Tyndall should have been the first in his "beautiful book" called Heat, a Mode of Motion, to give wide popular announcement to the fact that at last the scientific world had accepted the proposition which Rumford had vainly demonstrated three-quarters of a century before.
A little heat, that is, a little motion, is all that differences the bald dazzling white and deadly cold poles of the earth from the prolific tropical climates. Not only, as Professor Tyndall says, is Emerson's religious sense entirely undaunted by the discoveries of science; all such discoveries he comprehends and assimilates.
At the last lecture we attended he showed the diamagnetism of flame, which had been proved by a foreign philosopher. Mr. Faraday never would accept of any honour; he lived in a circle of friends to whom he was deeply attached. A touching and beautiful memoir was published of him by his friend and successor, Professor Tyndall, an experimental philosopher of the very highest genius.
Asquith is all that stands between the sex and the suffrage. The answer to the old puzzle, I suppose, would be that though the immovable body does not move, yet the impact of the irresistible force generates heat, which, as we know from Tyndall, is a mode of motion. At any rate, heat is the only mode in which the progress of woman suffrage can be registered to-day.
Far more self-denial may be involved in the performance, on another's behalf, of some act that requires time and labor. In addition to generosity under its ordinary form, which Professor Tyndall displayed in unusual degree, he displayed it under a less common form. "He was ready to take much trouble to help friends. I have had personal experience of this.
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