The discovery of stable ''isotopes" began with J. J. Thomson's identification of neon-22 in 1912 (Bievre et al., 1984). More than 90 naturally occurring elements have been identified on the earth; ...
The Oak Ridger on MSN
How Oak Ridge isotopes are fighting cancer today
For 80 years Oak Ridge National Laboratory has produced isotopes that treat cancer and power deep space exploration.
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