artificial radioactivity
Americannoun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Positrons have now been produced at the rate of 30,000 per second by gamma rays, and the Curie-Joliots of Paris observed them shooting out of light-weight elements in their first experiments with artificial radioactivity.
From Time Magazine Archive
The story concerned University of California's Ernest Orlando Lawrence, No. 1 U. S. experimenter in artificial radioactivity, whose 85-ton electromagnet frequently makes scientific news.
From Time Magazine Archive
From that byway last week came two words in a combination new to physicists the world over: artificial radioactivity.
From Time Magazine Archive
Dr. Lawrence and his associates have done the most intensive work in the U.S. on artificial radioactivity.
From Time Magazine Archive
Lawrence replied defensively that “the radio-sodium experiments were instigated by me alone,” adding, “I did suggest looking for artificial radioactivity this way and actively supervised the experiments.”
From "Big Science" by Michael Hiltzik
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
