THE successful manner in which the single-particle model of the atomic nucleus has accounted for many nuclear properties is well known to those who follow developments in nuclear physics. This model, ...

The US Army fired a nuclear weapon from its atomic cannon for the first and last time 69 years ago. The cannon, initially named "Able Annie," was later renamed "Atomic Annie." During the May 25, 1953, ...

Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly ...

Physicists recently developed a new theoretical model to explain how the Pauli exclusion principle can be violated and how, under certain rare conditions, more than one electron can simultaneously ...