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Updated: May 11, 2025
Of course this was true even though the gelatinlike shell could not support the cube's weight, yet it did not insulate the planet from the repelling current. The thermometer registered three hundred and thirty-five degrees Fahrenheit. "Two hundred and eighty degrees higher than it would be at home in the same latitude," remarked the doctor. "We'll have to use the suits."
It was found very difficult to insulate the rails, and keep the electricity from leaking to the ground, however, and at the Pans Electrical Exhibition of 1881, von Siemens made a short tramway in which the current was drawn from a bare copper conductor running on poles, like a telegraph wire, along the line.
The policy of the Japanese rulers, after the supposed utter extirpation of Christianity, was the double one of exclusion and inclusion. A deliberate attempt, long persisted in and for centuries apparently successful, was made to insulate Japan from the shock of change.
The electric railway from Berlin to Lichterfelde and the one at Vienna are in reality only elevated roads established upon the surface. Although it is possible to insulate the rails in a satisfactory manner in the case of an elevated road, the conditions of insulation are not very favorable where the railway is to be constructed on a level with the surface.
The precautions thus taken to isolate and insulate the girl are dictated by regard for her own safety as well as for the safety of others.... In short, the girl is viewed as charged with a powerful force which, if not kept within bounds, may prove the destruction both of the girl herself and all with whom she comes in contact.
The aerial for this set should be about 60 to 100 feet in length and as high and clear of surrounding objects as possible. A simple porcelain cleat at either end, as shown in the drawing, will serve to insulate it sufficiently. Your ground connection can be made best by wiring to the cold water pipe, although wiring to a steam or gas pipe will do almost as well.
Edison said: "All you have to do, gentlemen, is to insulate your wires, draw them through the cheapest thing on earth iron pipe run your pipes through channels or galleries under the street, and you've got the whole thing done." This was practically the system adopted and in use to this day. What puzzled the old politician was that Edison would accept nothing for his advice.
By its length, structure, and property of conductivity it is especially adapted to this purpose. The axis cylinder, however, is the only part of the axon concerned in the transmission. The primitive sheath and the medullary layer protect the axis cylinder, and, according to some authorities, serve to insulate it. The medullary sheath may also aid in the nourishment of the axis cylinder.
This would not be so serious an obstacle if, though the causes acting upon society in general are numerous, those which influence any one feature of society were limited in number; for we might then insulate any particular social phenomenon, and investigate its laws without disturbance from the rest. But the truth is the very opposite of this.
Or if we take the freedom to put a friend under our microscope, we thereby insulate him from many of his true relations, magnify his peculiarities, inevitably tear him into parts, and of course patch him very clumsily together again.
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