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Updated: June 21, 2025
It seems to me quite probable that a similar process takes place in the bulb even with a homogeneous electrode, and I think it to be the principal cause of the disintegration. There is bound to be some irregularity, even if the surface is highly polished, which, of course, is impossible with most of the refractory bodies employed as electrodes.
The next step in the process is to lower the electrodes until they just touch beneath the surface of the molten slag so that subsequent heating is due not to the effect of the arc but to the resistance which the bath offers to the passage of the current.
Now, in practice, the body of the patient, or so much of it as is embraced between the two electrodes, may be regarded as the second section in this magnet; and the cord connected with the positive post, together with its electrode attached, may be counted the first and most negative section; and the cord connected with the negative post, along with its electrode, may be the third and most positive section.
It may be another major key to the physiology of the brain." "Do you mean we know nothing more than you've told us?" Rick asked. "Nothing more, Rick. Oh, are you wondering about the barber's machine? Actually, the massage gadgets acted as electrodes, and the massage oil did very well in making good contact. It was a simple setup." There were no questions for Parnell Winston. Steve took over.
While Siemens was testing the chemical and life-promoting influence of the electric arc light, he was also occupied in trying its temperature and heating power with an 'electric furnace, consisting of a plumbago crucible having two carbon electrodes entering it in such a manner that the voltaic arc could be produced within it.
A cage of terminals was fitted to his head and a thousand small electrodes adjusted to contact with his skull. The faint hum of equipment supported the small surge of apprehension within him. After half an hour the preparations were complete. The level of lights in the room was lowered. He could sense the operators at their panels and see dimly the figure of Dr. Martin seated near him.
They are made much like a lady's plain nightgown; but large and loose, so as to serve ladies of any size, and give ample room to work the electrodes under them. Her skirts should be dropped below the seat, so far that their bands shall lie across her lap. Let us now suppose the machine to be working. We will take the B D current. Let it be of good medium strength.
Silvery dew-like drops had indeed begun to form upon the dull-coloured mass, and to drop with a tinkle and splash into the glass troughs. Slowly the lead melted away, like an icicle in the sun, the electrodes ever closing upon it as it contracted, until they came together in the centre, and a row of pools of quicksilver had taken the place of the solid metal.
Torreon muttered something and crossed himself. The arms seemed half to rise then suddenly to fall, flabby again. There was a light hiss like an inspiration and expiration of air, a ghastly sound. "Lungs react," muttered Kennedy, "but the heart doesn't. I must increase the voltage." Again he applied the electrodes. The face seemed a different shade of blue, I thought.
It will also be useful, in order to avoid confusion, to restate with precision this notion of electrolytic ions, and to ascertain their magnitude, charge, and velocity. The two classic laws of Faraday will supply us with important information. The first indicates that the quantity of electricity passing through the liquid is proportional to the quantity of matter deposited on the electrodes.
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