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Updated: May 29, 2025
I wonder would there have been such a thing as a broken bottle anywhere about the stack, Miss Q ? The sun came out unusually strong this morning, I noticed; and it's a well-known scientific fact that the action of the solar rays, focussed by such a medium as I have suggested, will produce ignition provided, of course, that the inflammable material is in the angle of refraction."
The morning mists rolling along before the resistless monarch of day confused the visible world for a time, so that between refraction and reflection and buoyant spirits Victor Ravenshaw felt that at last he had found the realms of fairyland, and a feeling of certainty that he should soon rescue his brother filled him with exultation. But the exultation was premature.
Just as they reached the crest of the ridge the moon rose from behind, enlarged by the refraction of the atmosphere, and as the attacking column passed along the summit it crossed the moon's disk and disclosed to us below a most interesting panorama, every figure nearly being thrown out in full relief.
At sea the sky is generally cloudless in the evening, and the sun gradually sinks, without refraction of rays or prismatic play of colours, into its ocean-bed, to pursue its unchanging course the next day. How infinitely more grand is this spectacle when seen from the "Rigi Kulm" in Switzerland!
Now, were the mirage the result of refraction, these would appear on it erect, only cast below the surface. Many are the singular atmospheric phenomena observable upon the plains, and they would afford a field of interesting researches for the curious natural philosopher. We had a pleasant journey, although sometimes pressed pretty hard by hunger.
This being so, if one draws ID parallel to CM, which I suppose to be the refraction of the perpendicular ray incident at the point C, the distances DC, Dc, will be equal, as is easy to see by that which has been demonstrated in Article 28.
In this way, according to the well-known saying, "The style is the man," complex or simple, in his individuality, his plenary sense of what he really has to say, his sense of the world; all cautions regarding style arising out of so many natural scruples as to the medium through which alone he can expose that inward sense of things, the purity of this medium, its laws or tricks of refraction: nothing is to be left there which might give conveyance to any matter save that.
You are wrong when you say that a searchlight cannot penetrate fog." "But it has been tried," I remonstrated. "With ordinary light. Yes, of course, subject to refraction, reflection, and absorption by the millions of minute globules of water it encounters."
The centre of the great pyramid's base lies about one mile and a third south of the thirtieth parallel of latitude; and from this position the pole of the heavens, as raised by refraction, would appear to be very near indeed to the required position. In fact, if the pyramid had been set about half a mile still farther south the pole would have seemed just right.
Many of the banks have their surfaces covered with long rushes, the tops of which alone are visible at high water. On one occasion, when in a boat, we were so entangled by these shallows that we could hardly find our way. Nothing was visible but the flat beds of mud; the day was not very clear, and there was much refraction, or, as the sailors expressed it, "things loomed high."
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