Niels Hendrik David Bohr Niels Hendrik David Bohr was one of the foremost scientists of the 20th century. The Nobel prizewinning physicist was known for his development of the theory of atomic fission that led to the development of the atomic bomb. He was born on Oct. 7, 1885, in Copenhagen, D...

The conclusion of a manuscript located at the Bancroft Library at UC Berkeley, laid the words: "I have attempted to give you a glimpse...of what there may be of soul in chemistry. But it may have been in vain. Perchance the chemist is already damned and the guardian the blackest. But if the chemist...

Joseph John Thomson (1856-1940)J. J. Thomson was born in cheetham, Manchester. On December 18, 1856. Thomson is known as the man who discovered and identified electrons. He studied at Owen's college, Manchester in 1870. In 1876 he studied in at Trinity College, Cambridge as a minor scholar. In 1884-...

Our understanding of the atom has changed remarkably over time. At one point, it was considered a solid object. Now, the atom is considered to have a cloud for its electrons. We believe that our notion of the atom has had many changes, and will continue to change until we get it right. The ...

James Chadwick is not a household name. Yet he made one of the most significant contributions to science ever. He discovered the neutron, and by doing so, he allowed the modern world of science, medicine and technology to become what they are today. Without him, the world might not have turned out t...

Quantim Mechanics is abranch of mathematical physics that deals with the emission and absorption of energy by matter and with the motion of material particles. Because it holds that energy and matter exist in tiny, discrete amounts, quantum mechanics is particularly applicable to Elamentry Pprticles...

Ernest RutherfordErnest Rutherford was born in New Zealand in 1871 as one of 12 children. It was Rutherford who first "split" an atom and who discovered the atomic "nucleus", a name that he invented. For this he is regarded as the greatest experimental physicist of his time. Ruther...