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Updated: June 28, 2025
"I'm tired of talkin'," said Mac Strann hoarsely, "damned tired!" And so saying he swung his great head slowly around and glared at Haw-Haw. The latter shrank away with an undulatory motion in his saddle. And when the head of Mac Strann turned away again the broad mouth began gibbering: "It's gettin' him like it done me. He's scared, scared, scared even Mac Strann!"
Now official science apparently regards all the long and universally rumoured abnormal occurrences as in the same category with Keely's Motor, and Perpetual Motion, not as in the same category with the undulatory theory of light, or the theory of the circulation of the blood.
These are called biaxal crystals. Each band, as proved experimentally by Herschel, forms a lemniscata; but the experimental proof was here, as in numberless other cases, preceded by the deduction which showed that, according to the undulatory theory, the bands must possess this special character. Power of the Wave Theory.
There was something theatrical and pretentious in his air, like the posing of a popular actor. His movements were slow, undulatory, and majestic: so circumspect was he about where he set his feet down that he always seemed to be walking among glass and china. His disposition was by no means stoical, and he was much too fond of food to have been approved of by his namesake.
In those hot conflicts of the undulatory theory, he stood forth as a man of integrity, claiming no more than his right, and ready to concede their rights to others. He at once recognized and acknowledged the merits of Thomas Young. Indeed, it was he, and his fellow-countryman Arago, who first startled England into the consciousness of the injustice done to Young in the 'Edinburgh Review.
The adoption of the undulatory theory of light called for the extension of the same theory to heat, and this promptly suggested the hypothesis of a correlation, material connection, and transmutability of heat, light, electricity, magnetism, etc.; which hypothesis the physicists held in absolute suspense until very lately, but are now generally adopting.
He then unlocked a door on their right as they stood in the passage. This gave them entrance to a large, square room that the candle but dimly lighted. The floor had a thick carpeting of dust, which partly muffled their footfalls. Cobwebs were in the angles of the walls and depended from the ceiling like strips of rotting lace, making undulatory movements in the disturbed air.
Such resemblances he did detect; and, spurred on by the discovery, he pursued his speculations and experiments, until he finally succeeded in placing on an immovable basis the Undulatory Theory of Light. The founder of this great theory was Thomas Young, a name, perhaps, unfamiliar to many of you, but which ought to be familiar to you all.
It was not long ere I discovered that there was another bed in this den, opposite my own; and judging by certain undulatory and saltatory movements within, it was occupied. Presently the head of a youth emerged, with closed eyes and flushed features. He indulged in a series of groans and spasmodic kicks, that subsided once more, only to recommence. A flute projected from under his pillow.
Among the mathematical problems with which he dealt successfully were the theory of numbers, the squaring of the circle and the calculation of chances. To him we owe the conception of the law of the conservation of energy, of the motion of the centre of gravity, and of the undulatory theory of light.
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