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Updated: June 28, 2025
"Well," he was saying now, beginning, as it were, a new chapter, "if you think the sulfur-crested parabola is a funny bird you should hear about the great flannel-throated golosh, or arctic bird of the polar seas, which is a creature so rare that nobody ever saw one, although Dr.
The face might be an uninteresting one; still, as sharing the inevitable changes wrought by time, it would be worth looking at as it passed through the curve of life, the vital parabola, which betrays itself in the symbolic changes of the features. An inscription is the same thing, whether we read it on slate-stone, or granite, or marble.
Noiselessly except for a little click, with chickens clucking in a field near by, the big breech-block which held the shell fast, sending all the power of the explosion out of the muzzle, was swung back and one looked through the shining tube of steel, with its rifling which caught the driving band and gave the shell its rotation and accuracy in its long journey, which would close when, descending at the end of its parabola, its nose struck building, earth, or pavement and it exploded.
In the history of the civilized world, it has inscribed a page in letters of gold by those wondrous developments in the lives of nations that are truly epic in character, and by its marvelous applications of science to industry ... but it is now traversing the downward branch of the parabola, and symptoms are appearing which announce to us and offer proof of their announcement its dissolution; without its disappearance, moreover, the advent and establishment of a new social phase would be impossible.
Of course, every now and then, I forget my stance and Paisley long enough to send the ball in a beautiful parabola right on to the green, and when I do oh, brother! the things I say to Paisley put him in such a frame of mind that I could play the rest of the course with a paddle and a basket-ball and still beat him.
Then describing a beautiful parabola, he descended, and striking the water, sent the spray flying in every direction, while the body went to the bottom. The others followed, so fast that the dusky forms dropped like hailstones, tumbled over each other, splashed, dove, frolicked, shouted, and acted with the same abandon as before.
The outline of the cam should be a parabola, so that the valve may be set in motion precisely as a falling body would be; but it will, nevertheless, be necessary that the roller on which the cam presses should be forced upward by a spring rather than by a counterweight, as there will thus be less inertia or momentum in the mass that has to be moved.
For about a century and a half, to the time of Apollonius, the beauty of this curve, and of its variations, the parabola and hyperbola, so fascinated the minds of Plato's followers, that Apollonius found theorems and problems relating to these figures sufficient to fill eight books with condensed truths concerning them.
The outline of a sphere, projected by the beholder against any plane surface behind it, is a circle only when a perpendicular, let fall on the plane from the eye, passes through the centre of the sphere. In other positions the projection of the sphere becomes an ellipse, or one of its varieties, the parabola and hyperbola.
There were stone jugs at each extremity, the sergeants of the rear-rank of this gastronomic platoon, whose corks had blown out and were still flying in space, while a bubbling white foam issued from their necks and fell majestically over their sides after describing a long parabola. A misleading sign, indeed!
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