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And it has been known to photographers for fifty years that this light easily isolated by dispersion through prisms will act on a sensitized plate in an utterly dark room." "Granted," I said. "But how about the second question? How can you see by this light?" "There you have me," he answered.
They explained to me that I must have sensitized cards, then the imprint could be made. The girls of today need to be developed and sensitized spiritually that the imprint of purity and righteousness may be made upon the whole life. The spiritual life, as well as the mental and physical, is as we shall see in a later chapter, a matter of cultivation.
I was thus being shown the first phenomenon which attracted the discoverer's attention and led to the discovery, namely, the passage of rays, themselves wholly invisible, whose presence was only indicated by the effect they produced on a piece of sensitized photographic paper.
In like manner, the brain may be sensitized by the administration of large doses of thyroid extract prior to operation, the threshold to injury in such a case continuing to be low to traumatic stimuli even under anesthesia. Under the sensitizing influences of thyroid extract or of Graves' disease the effect of an injury, of an operation, or of emotional excitation is heightened.
Figs. 2 and 3 represent the efflux that occurred under; the following conditions: The disk, P, was of metal, and was connected with the negative pole of the induction coil; and upon it was laid the photographic plate with the sensitized film downward, and consequently touching the disk. This is what produced the opaque circle in the center.
The photographic plate was here placed upon the non-conducting disk, P. As the sensitized film was upward, it was put in contact with the balls at the extremity of the conductors, H and N. It will be seen here again that the efflux spreads out widely at the positive pole, while it is contracted at the other. The conducting balls were spaced 0.04 inch apart.
Everything comes to us from the Infinite atomic ethers through the law of Divine attraction, and when we have built and rebuilt our cells into an intelligent relationship with absolute wholeness, we become a magnet, so highly sensitized and so magnetic and carefully polarized, that we are an attracting center for everything in our atmospheric environment, and our physical body and our environment become the expression of our thought world.
This membrane prevents the passage of foreign materials back of the eyeball, and by its sensitiveness stimulates effort for the removal of irritating substances from beneath the lids. The eyelashes and the eyebrows are also a means of protecting the eyeballs. *The Eyeball*, or globe of the eye, is a device for focusing light upon a sensitized nervous surface which it incloses and protects.
In another more recent ingenious device a pivoted mirror at the receiving end was so manipulated by the electrical impulses that a ray of light reflected from the surface of the mirror actually wrote the message upon sensitized paper, like a pencil, in a fair handwriting.
Need we recall, in this connection, the incessant mission of pictures perceived by the sensitized plate, the vibrations of sound that accumulate in the disks of the gramophone, the Hertzian waves that lose none of their strength in space, the mysteries of reproduction and, in a word, the incomprehensibility of everything around us?
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