KOWSKY & FROST
PDF : Scan of original article & commentaries ( P.A.C.E. Newsletter & Cox : Antigravity Handbook )
Science and Invention (September 1927)
Quartz Crystals Charged by High frequency Currents Lose Their Weight
Although some remarkable achievements have been made with shortwave low power transmitters, radio experts and amateurs have recently decided that shortwave transmission had reached its ultimate and hat no vital improvement would be made in this line. A short time ago, however, two young European experimenters working with ultra-short waves, have made a discovery that promises to be of primary importance to the scientific world.
The discovery was made about six weeks ago in a newly established central laboratory of the Neuuartadline-Werke in Darreskein, Poland, by Dr Kowsky and Engineer Frost. While experimenting with the constants of very short waves, carried on by means of quartz resonators, a piece of quartz which was used, showed a clearly altered appearance. It was easily seen that in the center of the crystal, especially when a constant temperature not exceeding 10 C / 50 F was maintained, milky cloudiness appeared which gradually developed to complete opacity. The experiments of Dr Meissner, of the Telefunken Co,, along similar lines, according to which quartz crystals, subjected to high frequency currents clearly showed air currents which ld to the construction of little motor based on this principle. A week of eager experimenting finally led Dr Kowsky and Engineer Frost to the explanation of the phenomenon, and further experiments showed the unexpected possibilities for technical uses of the discovery.
Some statements must precede the explanation. It is known at last in part, that quartz and some other crystals of similar atomic nature have the property when exposed to potential excitation in a definite direction, of stretching and contracting; and if one uses rapidly changing potentials, the crystals will change the electric waves into mechanical oscillations. This piezo-electric effect, shown in Rochelle salt crystals by which they may be made into sound-producing devices such as loud-speakers, or reversely into microphones, also show the results in this direction. This effect was clearly explained in August 1925 Radio News and December 1919 Electrical Experimenter. These oscillations are extremely small, but have nevertheless their technical use in a quartz crystal wave meter and in maintaining a constant wavelength in radio transmitters. By a special arrangement of the excitation of the crystal in various directions, it may be made to stretch or increase in length and will not return to its original size. It seems as if a dispersal of electrons from a molecule resulted which, as it is irreversible, changes the entire structure of the crystal so that it cannot be restored to its former condition.
The stretching out, as we may term this strange property of the crystal, explains the impairment of its transparency. At the same time a change takes place in its specific gravity. Testing it on the balance showed that after connecting the crystal to the high tension current, the arm of the balance on which the crystal with the electrical connections rests, rose into the air. The illustration, Fig. 3, shows this experiment.
This pointed the way for further investigation and the determination of how far the reduction of the specific gravity could be carried out. B the use of greater power, finally to the extent of several kilowatts and longer exposure to the action, it was found eventually that from a little crystal, 5 by 2 by 1.5 millimeters. A non-transparent white body measuring about 10 centimeters on the side resulted, or increased about 20 times in length on any side (See Fig. 4). The transformed crystal was so light that it carried the whole apparatus with itself upwards, along with the weight of 25 kilograms (55 lb) suspended from it and floating free in the air. On exact measurement and calculation, which on account of the excellent apparatus in the Darredein laboratory could be readily carried out, it was found that the specific gravity was reduced to a greater amount than the change in volume would indicate. Its weight had become practically negative.
There can be no doubt that a beginning has been made toward overcoming gravitation. It is to be noted, however, that the law of conservation of energy is absolutely unchanged. The energy employed in treating the crystal, appears as the counter effect of gravitation. Thus the riddle of gravitation is not fully solved as yet, and the progress of experiments will be followed further. It is, however, the first time that experimentation with gravitation which hitherto has been beyond the pale of all such research, has become possible, and it seems as if there were a way discovered at last to explain the inter-relations of gravity with electric and magnetic forces, which connection, long sought for, has never been demonstrated. This report appears in a reliable German journal, Radio Umschau.
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