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Updated: May 6, 2025
Diane had the distant-information transmitter aimed at what she'd said might be a dead comet. Baird pressed the button. An extraordinary complex of information-seeking frequencies and forms sprang into being and leaped across emptiness. There were microwaves of strictly standard amplitude, for measurement-standards.
In the production of light, as far as the illuminating device is concerned, there can be only one rule that is, to use as high frequencies as can be obtained; but the means for the production and conveyance of impulses of such character impose, at present at least, great limitations.
But before he has long experimented with the extreme frequencies required to set up in a small bulb an electromotive force of several thousands of volts he realizes the great importance of electrostatic effects, and these effects grow relatively to the electro-dynamic in significance as the frequency is increased.
Again, as Dunark drove home the detonating switch, there was a frightful explosion and a wild glare of frenzied incandescence far out in that desolate region of interstellar space; but this time the eyes behind the visiplates were not torn by the high frequencies, everything that happened was plainly visible.
Just try to get some pump-sound frequencies into it, like Luis'." "But why? I'm no use here. I'm a linguist, and these people haven't any language that I could ever learn, and they couldn't even learn ours. They couldn't learn to make sounds, as sounds." "You've been doing very good work with Mom on those ideographs," Meillard said.
As long, then, as the gas is of no consequence, a steady or low frequency current is better; but as soon as the action of the gas is desired and important, high frequencies are preferable. In the course of these experiments a great many trials were made with all kinds of carbon buttons.
The eye also tells us that rays are coming in greater quantity from some parts of it, and we know that those parts are polished; the eye again catches rays giving higher or lower frequencies of vibration, and we call that colour; our eyes also tell us that it intercepts certain rays reflected from other objects in the room, and we know that it is not transparent to light; and those are our sight perceptions of a wooden chair.
In using extremely high frequencies, and, necessarily in such case, also high potentials, the absorption or, what is here meant more particularly by this term, the loss of energy due to the presence of a gaseous medium is an important factor to be considered, as the energy absorbed in the air condenser may be any fraction of the supplied energy.
The result is that these oscillations of different frequencies interfere and reinforce each other when beats are produced, the period of which is slow enough to be heard in the headphones, hence the incoming signals can be heard only when waves from the sending station are being received. The Autodyne or Self-Heterodyne Long-Wave Receiving Set.
Rick knew that could be done quite simply. The frequencies of the electric current and the brain patterns were so different that they would not interfere with each other. "He didn't plan to use his machine in Whiteside," Steve went on, "because he left the mind-reading part of the machine in Washington." "Then why did he bring it?" Barby asked. "We're not sure.
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