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Updated: June 10, 2025
It consisted of two metal cylinders with leads attached, fitted tightly into the interior of a glass tube containing iron or steel filings. The instant an electric discharge of any sort occurred the coherer became conductive, and if it was tapped lightly its conducting property was immediately destroyed.
The netting of the bag, with the idea of making it as conductive as possible, was of metal, connecting with the other metal parts of the craft so that when a steel drag rope was lowered to the ground a discharge of lightning striking the balloon would be passed off harmlessly into the earth, as is the case with a lightning conductor.
That night there was a sharp frost; the first we had had. It made nearly half an inch of ice in all kettles. Why is ice always thickest on the kettles? No doubt because they hold a small body of very still water surrounded by highly conductive metal. Billy went "to market" yesterday, killing a nice, fat little Caribou.
Probably all nerve-cells or nervous material were originally, even in the lowest forms, dimly conscious; then by division of labor some became purely conductive, others more highly perceptive. The important thing for us to remember in our present ignorance is not to be dogmatic.
Guided by this hypothesis, Volta started systematic research into the Galvanic properties of metals, and presently succeeded in producing electricity once more from purely mineral substances, namely from two different metals in contact with a conductive liquid.
If the sitters only knew it, the so-called failure was directly traceable to the destructive thought-atmosphere with which they surround themselves and the medium. Too frequently they do not prepare themselves for 'the hour's communion with the dead, and their mental attitude is anything but conductive to success.
As that irresistible bolt touched the Vorkulian wall-screen, the spot of contact flared instantaneously through the spectrum and into the black beyond the violet as that screen overloaded locally. Fast as it responded and highly conductive though it was, it could not handle that frightfully concentrated load.
"One of the most interesting characteristics of the woody tissues in relation to the transfer of water is the immediate change which the cut surface of a stem undergoes upon exposure to the air, unfitting it for its full conductive work.
I had not noticed that a conductive wire was accidentally in contact with the apergion, while its end hung down towards the floor Of this I suppose Eveena had carelessly taken hold, and a part of the current passing through it had lessened the shock to the Regent at the expense of one which, though it could not possibly have injured her, had from its suddenness so shaken her nerves as to throw her into a momentary swoon.
So Keith returned to the tin soldiers that were his most cherished toys perhaps because they drew fewer protests from above than anything else, as being least conductive to outbursts of youthful vivacity.
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