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Updated: May 14, 2025
The theory "is a necessity to explain the experimental facts of chemical composition." "Through metaphysics first," says Soddy, "then through alchemy and chemistry, through physical and astronomical spectroscopy, lastly through radio-activity, science has slowly groped its way to the atom."
For her Tennyson's line "Death is the end of life" would be the statement of a foolish fallacy, as she held that there is no such thing as death, only failure to adapt the spirit to advancing and higher change in its physical organisation. To-day he remembered with curious clearness what she had said on this subject "Radio-activity is the chief secret of life.
Are elementary atoms collocations of electrons? These questions are included in the demand Is it possible "to imagine a model which has in it the potentiality of explaining" radio-activity and other allied phenomena, as well as all other chemical and physical properties of elements and compounds? These questions are answerable by experimental investigation, and only by experimental investigation.
The Infinite referred to above may be diagnosed by some as being in the fourth dimension of space, or it may even be comprised within the Ether of our known three dimensions, for the discovery of radio-activity has enabled us to see that Ether is not only as dense as iron, but millions of times denser than that metal, every cubic foot, or probably cubic inch, being capable of supplying millions of horse-power if it could only be tapped.
Yet from the soul of Molly Culpepper, in joy and in sorrow, in her moments of usefulness and in her deepest woe, her soul glowed and shed its glory, and she grew even as she gave her substance to the world about her. For that is the magic of God's mystery of life. And now having for the moment finished our discussion on the radio-activity of souls, let us go back to the story.
Wright, good-hearted, strong, keen, striving to saturate his mind with the ice problems of this wonderful region. He has taken the electrical work in hand with all its modern interest of association with radio-activity. Evans, with a clear-minded zeal in his own work, does it with all the success of result which comes from the taking of pains.
Sir Angus McCurdie, the hard, metallic apostle of radio-activity, glanced for a moment out of the window at the grey, frost-bitten fields. Then he said: "I'm a widower. My wife died many years ago and, thank God, we had no children. I generally spend Christmas alone." He looked out of the window again.
He set up atomic disintegration in a minute particle of bismuth; it exploded with great violence into a heavy gas of extreme radio-activity, which disintegrated in its turn in the course of seven days, and it was only after another year's work that he was able to show practically that the last result of this rapid release of energy was gold.
We stand to-day towards radio-activity as our ancestor stood towards fire before he had learnt to make it. He knew it then only as a strange thing utterly beyond his control, a flare on the crest of the volcano, a red destruction that poured through the forest. So it is that we know radio-activity to-day. This this is the dawn of a new day in human living.
It was in 1953 that the first Holsten-Roberts engine brought induced radio-activity into the sphere of industrial production, and its first general use was to replace the steam-engine in electrical generating stations.
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