THE afterglow of nitrogen in a discharge tube was first observed in 1884, and attempts to explain it have been made at intervals for the last thirty-five years. In the first, and larger, part of ...

In some cases, notably Chapter IX., on the Quantum Theory, ... (0 = 16) are due to isotopes cannot be maintained in the face of examples such as iodine and nitrogen. Atomic Theories. F. H.

Global positioning systems (GPS) rely on highly accurate atomic clocks positioned on satellites to help us navigate. Researchers have now shown that it is possible to shrink atomic clocks to place ...

Without doubt the most extraordinary of any such endohedral fullerene is N@C60—a nitrogen atom inside a 60-carbon fullerene cage, which resembles a soccer ball. It’s as though the nitrogen atom floats ...