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Updated: June 19, 2025
In many cases, their children were mutants not monsters, although there were many of them, too, which did not survive but humans who were immune to radioactivity." "An interesting theory, Kradzy Zago," the soldier commented. "And one which conforms both to what we know of atomic energy and to the ancient legends. Then you would say that those radiations are still deadly to the non-immune?"
It is nothing more or less than condensed sunlight, which in turn is simply electromagnetic waves; although it may take your scientists a good many centuries to reach that conclusion. "Well, every particle of the material which composes this planet, contains radioactivity of some sort; and we long ago discovered a way to release it and use it.
They sank into death as into sudden sleep, and examination revealed no physical effects whatever. The wire is an alloy, and the constituent metals have not yet been determined; but it is not an amalgam, for mercury is absent. The wire contains thallium and helium as the spectroscope shows; but its awful radioactivity and deadly emanation has yet to be explained.
In February, 1893, a few months before Sir William Dawson's resignation of the Principalship, two buildings for the Faculty of Applied Science were opened the Macdonald Engineering Building, including the Workman wing, and the Macdonald Physics Building, the equipment and facilities of which soon afterwards enabled Professor Ernest Rutherford to carry on his experiments in radioactivity.
"You may be right," she said "He is or was one of the most brilliant of our younger scientists. You know his name I have sent you from New York some accounts of his work He is Roger Seaton, whose experiments in the condensation of radioactivity startled America some four or five years ago " "Roger Seaton!" he exclaimed "What!
So he took his disappointment out on the nearest Planeteer, who happened to be Rip. "The gases go through tubes," O’Brine went on. "A little nuclear material also leaks into the tubes. The tubes get coated with carbon, Foster. They also get coated with nuclear fuel. We use thorium. Thorium is radioactive. I won’t give you a lecture on radioactivity, Foster.
It had its own light source, a substage illuminator, and even an "atomic energy" stage, which was actually a device for viewing the scintillations caused when radioactivity hit a sulfide screen.
As soon as a quick check with the radiation counter showed them that the hull was free of radioactivity, Major Connel and the three cadets re-entered the ship. While the lack of atmosphere outside had dissipated the full force of the blast, the effect on the inside of the ship, where Earth's air pressure was maintained, was devastating.
With the discovery of radium and radioactivity, with the recognition of the vast stores of physical energy concealed in the atom, humanity is now on the eve of a new conquest. But, on the other side, humanity has been compelled to combat continuously those great forces of Nature which have opposed it at every moment of this long indomitable march out of barbarism.
"We have to convert a sample of the book into carbon dioxide to geigercount the radioactivity in the carbon. You see, all living things like the cotton in the rags the paper is made of absorb the radioactive carbon fourteen that is formed in the upper atmosphere by cosmic radiation. Then it begins to decay and we can measure very accurately the amount, which gives us an absolute time span."
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