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Here, besides several leading men of science from our own country, were Lord Kelvin, Lord Rayleigh, Professor Roentgen, Dr. Moissan the man who first made artificial diamonds and several others whose fame had encircled the world. Each of these men cherished hopes of wonderful discoveries, along his line of investigation, to be made in Mars.
Edison was hastening preparations to quit the asteroid and resume our voyage to Mars, Lord Kelvin and a number of other scientific men instituted a series of remarkable experiments. Jumping Into Empty Space. It was one of the most laughable things imaginable to see Lord Kelvin, dressed in his air-tight suit, making tremendous jumps into empty space.
Yet the opera-house, with the patronage of the royal family, the nobility, and the gentry, and open only twice a week, is never full even at the representation of the finest works of genius; and when such an artist as Catalani is engaged at one of the theatres, and the people are admitted for theatre prices, the first thing they do, after crowding the house to suffocation, is to call for "God save the King," or, if Braham is out, for "Kelvin Grove."
In the gaseous state, as we have seen, the translational motion of the molecules is relatively enormous, the molecules being widely separated. It does not follow, as we formerly supposed, that this is evidence of a repulsive power acting between the molecules. The physicists of to-day, headed by Lord Kelvin, decline to recognize any such power.
As late as 1882, Herbert Spencer writes: "The telephone is scarcely used at all in London, and is unknown in the other English cities." The first man of consequence to befriend the telephone was Lord Kelvin, then an untitled young scientist.
In current Earth science tin and mercury and a few alloys could be made into superconductors by being cooled below 18° Kelvin, or four hundred odd degrees Fahrenheit below zero. Above that temperature, superconductivity did not exist. But the children's wire was a superconductor at room temperature. A thread the size of a cobweb could carry all the current turned out by Niagara without heating up.
As they walked about the cathedral and college, and up and down the High Street, while she looked with shuddering horror on the squalid, hopeless poverty of the inhabitants of those localities, she asked her brother where the rich people lived. "At the West End," answered David. "On Sauchiehall Road, and the crescents further on, away maistly up to Kelvin Grove."
The most illustrious of them, Lord Kelvin, may be considered as their representative type, and he has himself said: "It seems to me that the true sense of the question, Do we or do we not understand a particular subject in physics? is Can we make a mechanical model which corresponds to it? I am never satisfied so long as I have been unable to make a mechanical model of the object.
That is all he knew and all that any man knows about it. To-day Lord Kelvin, a worthy follower in Newton's steps, is asked to explain WHY gravity acts. He can only say: "I accept no theory of gravitation. Present science has no right to attempt to explain gravitation. We know nothing about it. We simply know NOTHING about it."
Further investigations by Lord Kelvin, Beattie, Smolan, and Rutherford confirmed the fact that, like the Roentgen rays, the uranium rays not only acted upon the photographic plate but discharged electrified bodies. And what seemed the more wonderful was the fact that these "Becquerel rays," as they were now called, emanated spontaneously from the pitch-blende.
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