In 1913, only the barest outlines of the structure of the atom had been drawn. Frederick Soddy, although struggling to understand how an electron could be emitted from the nucleus during beta ...

That is the way physicists have determined the structure of the atom. Pellets have been radium particles, X-rays and, lately, cosmic rays. Inability to control available ammunition has been the ...

Rutherford and Bohr describe atomic structure 1913. ... where Rutherford had made a brand-new discovery about the atom. ... (or alpha rays, emitted by the radioactive element radium) ...

Atom’s core gets pear-shaped. ... which are described in the May 9 Nature, could allow physicists to better understand subatomic structure and to find new particles and ... and radium-224, ...