Just 100 years ago, on 9 July 1925, Werner Heisenberg wrote a letter to his friend, colleague and fiercest critic, Wolfgang Pauli. A few weeks earlier, Heisenberg had returned from the North Sea ...

An attosecond—or 0.000000000000000001 second—is no time at all for a person. That is not so for electrons, atoms and ...

Some atomic nuclei are not shaped like rugby balls, as a longstanding theory suggests, but are instead somewhat flattened, ...

Ettore Majorana vanished in March 1938. According to Frank Close in Destroyer of Worlds, the 31-year-old Sicilian physicist ...

The precursors of heavy elements might arise in the plasma underbellies of swollen stars or in smoldering stellar corpses.

A letter from renowned physicist Albert Einstein outlining his own role in the development of the atomic bomb and his ...

Now, most of the atoms in the universe are the two simplest kinds: hydrogen, which has one proton, zero neutrons and one electron; and helium, which has two protons, two neutrons ...

Bohr is the man who figured out the structure of the nucleus at the centre of the atom, recognising that the quantum world of tiny particles behaves very differently to the tangible, everyday ...

The orbiting electrons should radiate light and lose energy and, in less than a hundred millionth of a second, spiral into the nucleus. Bohr guessed that the everyday laws of physics do not apply in ...

The term "splitting the atom" isn't the most descriptive way of explaining what Rutherford, along with John Cockcroft and Ernest Walton, actually achieved; splitting apart a nucleus by bombarding ...

Education News: Niels Bohr's Nobel Lecture on December 11, 1922, titled The Structure of the Atom, is one of the most significant contributions to our understanding o.

"Niels Bohr, a young Dane attracted to work with Rutherford, used his quantum ideas to produce a stable orbit model of the atom.