MANCHESTER celebrated last week, just a little prematurely, the centenary of John Dalton's atomic theory. It was on September 6, 1803, tnat he drew up in his notebook his first table of weights of ...

This led to the development of an improved theory of the structure of the atomic nucleus. "Both my great-grandfather and my grandfather inspired me greatly," Bohr said.

The general theory of relativity has been one of the most successful developments in twentieth-century physics, providing the foundation for our concepts of space, time and gravity. In 1921 ...

This article was originally published with the title “ The Atomic Theory and the Development of Modern Chemistry ” in SA Supplements Vol. 56 No. 1438supp (July 1903), p. 23043 doi:10.1038 ...