Related: Masses of superheavy elements measured directly As for their results with samarium-146, the LLNL group has found an age of 86 million years, as Kavner reported in his graduate ...
“Samarium–cobalt magnets would have been wonderful ... Croat knew he needed to produce it from a light rare-earth element, such as lanthanum, cerium, praseodymium or neodymium, which together ...
The first, somewhat furtive, signal from element 63 was recorded in 1885 by Sir William Crookes, who found an anomalous red line (609 nm) in the emission spectrum of a samarium sample.
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