artificial radioactivity


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artificial radioactivity

[¦ärd·ə¦fish·əl ‚rād·ē‚ō·ak′tiv·əd·ē]
(nucleonics)
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These two radionuclides have very long half-lives and considered main contributors to the whole collective dose from artificial radioactivity. 137Cs (half-life 30.17 years) is a rich artificial product that decays slowly and is distributed widely through the upper atmosphere [10].
For the discovery of artificial radioactivity, the Joliot-Curies were awarded the Nobel Prize for chemistry in 1935.
Scientists induced artificial radioactivity for the first time, extended the periodic table, tapped the sun's energy with two experimental solar motors, and predicted that man would soon harness atomic energy.