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Updated: June 14, 2025
We picked up pretty heavy charges in the Skylark so heavy that I had to hold up several times in the ionized layer of an atmosphere while they faded and this outfit will burn up tons of copper where the old ones used ounces." "In the projected space-vessel we shall install converters to utilize all the energy, so that there will be no loss whatever.
Bud, who was familiar with ion propulsion for spaceships, wrinkled his brow in a puzzled frown. "A goofy idea just occurred to me, but I think it may work out," Tom replied. He seized a pencil and began explaining what he had in mind. The drive unit would take water into itself, separate the ionized molecules, and expose them to an electric field. Thus a stream of water would be forced out.
Modern OTHR installations have different transmitting and receiving sites, often located many miles apart. From the early 1950s pulsed oblique ionosphere sounders had shown that the normal ionosphere is much more stable than had previously been thought to be. The physical reason for this is that the incredibly tenuous ionized gas which does the reflecting has a molasses-like viscosity.
"As a power engineer, you should be acquainted with the 'pinch effect, eh?" It was a rhetorical question. The "pinch effect" had been known for over a century. A jet of highly ionized gas, moving through a magnetic field of the proper structure, will tend to pinch down, to become narrower, rather than to spread apart, as a jet of ordinary gas does.
But atomic energy wasn't much used aground, these days. Power for planetary use could be had more easily from the upper, ionized limits of atmospheres. A pursuing rocket closed in. There was a huge ball of smoke and a flash of light, but it was not brighter than the sun. It wasn't atomic flame. Calhoun relaxed.
Far out in space, there was an explosion brighter than the sun, and then a second and a third. There was a cloud of incandescent metal vapor. Presently a missile found its target-seeking microwaves reflected by the ionized metal steam. It plunged into collision with that glowing stuff. It exploded. Two or three more exploded, like the first. Others burned harmlessly.
Here in the lower air, where ions would be so plentiful, Thett did not try to break down the screens, for the air would aid the defenders. Finally, as Thett's forces had planned, they came to one of the ionized layer ray-screen stations that was still projecting its cone of protective screening to the layer above.
He found that the waves were absorbed during the daytime much more than at night and he eventually reached the conclusion that the ultraviolet light from the sun ionized the gaseous molecules of the air, and ionized air absorbs the energy of the electric waves, so that the fact was established that clear sunlight and blue skies, though transparent to light, serve as a fog to the powerful Hertzian waves of wireless telegraphy.
And, Wade after Fuller gets it melted down, throw the molten lava high in the air!" From the ship, a long pencil of rays, faintly violet from the air they ionized, reached out and touched the cliff. In an instant, it had torn down a vast mass of the solid rock, which came raining down into the valley with a roaring thunder and threw the dirt of the valley into the air like splashed mud.
Suddenly there was a circle of blue light about the shadow form, and a moment later the ionized air relapsed into normal condition as the pirate's apparatus broke down under the strain. At once Morey shut off his apparatus, convinced by the sudden change that the pirate's apparatus had blown out. He glanced up quickly as Arcot called to him, "Morey look at him go!" Too late.
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