Heavy water is a form of water with a unique atomic structure and properties coveted ... water contains two hydrogen atoms and one oxygen atom. The difference, though, lies in the hydrogen atoms.

IN a letter to NATURE of November 25 last Dr. Norman Campbell discusses the problem of the possible consistency of the assumptions about the motion and arrangement of electrons in the atom ...

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 ...