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Updated: June 28, 2025
For not only do all the radioactive substances give off particles of helium gas positively electrified, but all bodies, no matter what their composition, can by suitable treatment, such as exposing them to ultra-violet light, or raising them to incandescence, be made to give off electrons or negatively charged particles, and these electrons are always the same no matter from what kind of substance they come.
It seems unlikely that sufficient energy to bring about the observed changes could have been developed by a volcanic disturbance of the ordinary type; but if radioactive forces are allowed to come into play the amount of energy available is practically unlimited.
Large as Thett, near a half million miles in diameter, its mass was very closely equal to that of our sun. Yet it was but the burned-out sweepings of the outermost photospheric layers of this giant sun, and the radioactive atoms that made a sun active were not here; it was a cold planet.
Now, no compound containing any other active metal than uranium or thorium ought to show itself more active than those metals themselves, since the property belongs to their atoms. It seemed, therefore, probable that there existed in pitchblendes some substance yet unknown, in small quantities and more radioactive than uranium.
Ashes and pumice heated to incandescence were blown through the air. Molten drops of radioactive lava skittered across the durilium hull as Kennon advanced the power. The whole stem of the ship was immersed in a seething lake of bolling rock as the Egg lifted slowly with ponderous dignity into the night sky. "Hang on!" Kennon said. "I'm going to hyper."
I couldn't ignore his report of radioactive traces. Your girl friend arrived with the hacked-up corpse at the same time I did, and we all took a long look at the green leech in its skull. Her explanation of what it is made significant sense. We were already carrying out landings when we had your call about something having been stored in the magter tower.
An analysis of the sighting by the Air Weather Service sent to ATIC in a letter dated January 24, 1949, proved it. The radioactive F-51 was decontaminated by a memo from a Wright Field laboratory explaining that a recently flown airplane will be more radioactive than one that has been on the ground for several days.
The initial and final substances would be radioactive, but the intermediary one, not. If, moreover, the bodies acted on are brought to a temperature of over 700°, they appear to lose by volatilisation certain substances condensed in them, and at the same time their activity disappears. The other radioactive bodies behave in a similar way.
Three people, two men and a dirty, disheveled and bloody-nosed older woman, sat in the front seat munching Good Humor bars. "Didn't you hear me?" the AEC man yelled. "Get outta here. This area's hot. Radioactive. Dangerous. The woman leaned out the window and patted the radiation expert soothingly on the shoulder. "Shucks, sonny, no need to get this excited over a little spilt milk."
"Yes, sir," said Tom, "down on the power deck trying to save this wagon! Come on, Roger! Let's get him!" "What's the reading on the Geiger counter now?" asked Tom. Roger looked down at the face of the radioactive measuring device and answered, "She's been dropping for the last five minutes, Tom. Looks like the mass in number three is cooling off. Fourteen hundred and ten now."
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