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And there's bound to be some trick of refraction that'll help. It thins out at the edges now. That's how we get warning of it. It's refracted by ions in the air. That's why it isn't a completely tight beam. Ions in the air act like drops of mist; they refract sunshine and make rainbows after rain. And we got the smell-effect first. That proves there's refraction." He watched her face.
Of what parts are the outer, middle, and inner coats of the eyeball made up? What portions of the eyeball reflect light? What absorb light? What transmit light? What refract light? Show how the iris, the crystalline lens, the retina, the ciliary muscle, and the cornea aid in seeing. Trace a wave of light from a visible object to the retina.
We can produce this phenomenon at pleasure, by employing any one of the many substances which are known to refract light in that peculiar manner.
The eyes refract the rays of light, and the optic nerves convey the images to the brain in the very same manner, whether a great or small object has preceded; nor does even the imagination alter the dimensions of its object on account of a comparison with others.
All that eclipsed it having been taken away, you will see the light of day direct. Orisons, rites, bibles, formulas, refract and decompose the sacred light. A dogma is a dark chamber. Through a religion you see the solar spectre of God, but not God. Desuetude and crumbling enhance the grandeur of a temple.
I'd have to take the plastic away and it couldn't be done without smashing things." "What would happen," asked Jill, "if you made what you're thinking about?" "I might," said Lockley. "I just possibly might make a gadget that would create a cloud of ions around the person who carried it. And it might reflect some of the terror beam and refract the rest so none got through to the man!"
"We shall certainly see creatures from the depths of the sea, where visible light cannot reach creatures whose substance is of such a nature that it will not respond to the light it has never been exposed to a substance which is absolutely transparent because it will not absorb, and appear black; will not reflect, and show a color of some kind; and will not refract, and distort objects seen through it."
Now, first, there would be nothing strange in the matter if the crude idea of 'Universal Power' came earliest, and was superseded, in part, by a later propitiation of the dead and ghosts. The new religious idea would soon refract back on, and influence by its ritual, the older conception.
Among the Experiments that tend to shew that the change of Colours in Bodies may proceed from the Vary'd Texture of their Parts, and the consequent change of their Disposition to Reflect or Refract the Light, that sort of Experiments must not be left unmention'd, which is afforded us by Chymical Digestions.
And since glass globes refract the light irregularly and magnify and distort whatever is within them, we shall find an advantage in having the sides of the aquarium parallel and the form rectangular. As the weight of the aquarium, when filled with water, is enormous, far more than we should at first imagine, it follows that it must be capable of resisting pressure both from above and from within.
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