But although English credited the model in the photograph as Lee ... we now have the opportunity to connect her story to the history we preserve at the Atomic Museum.” After learning about ...

In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons ... However, there was still a difference between the atomic number of the atom and the atomic mass.

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 ...

THE beautiful conception which inspires and co-ordinates practically the whole of modern atomic physics is the atomic model of Rutherford and Bohr. Its essential feature-the nucleus-was first put ...

scientists thought they had found the smallest atomic building blocks. This changed in 1963 when American physicist Murray Gell-Mann proposed his quark theory. Gell-Mann believed that each proton ...

For a summary of the theory just previous to the development of the new methods the reader is referred to a lecture of the author, Atomic Theory and Mechanics,œ published In this periodical ...