THE theory of atomic structure has, during the past few years, reached a stage of sufficient success and stability for it to be possible to describe many of its features in a simple manner. There is a ...

IT is encouraging to find that these important lectures by one of the most prominent authorities on spectroscopy, delivered under the auspices of the University of London, are now accessible to all in ...

Niels Bohr's Nobel Lecture on December 11, 1922, titled The Structure of the Atom, is one of the most significant contributions to our understanding of atomic structure and quantum mechanics. This ...

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Professor R. A. Millikan, Director of the Norman Bridge Laboratory of Physics of the California Institute of Technology, will give a series of six free public lectures on twentieth century discoveries ...