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, it was roughly ...

No discovery struck deeper into the scientific understanding of reality, with more profound implications for civilization, than Rutherford’s revelation of the architecture of the atom. A century ago ...

Ever since Max Planck introduced the idea of the quantum to the world, physicists have argued about whether reality is more like sand or water. Planck’s famous 1900 discovery that energy is grainy — ...

Skimming through the latest issue of CavMag – a glossy newsletter about the latest developments at the Cavendish Laboratory, Cambridge – I at first thought I had misread an article that stated: “In ...

Twentieth-century science produced two ubiquitous models: the Rutherford–Bohr model of the atom and Watson and Crick's double-helix structure of DNA. Rutherford and Bohr did not collaborate directly ...

He was a gentleman who helped create the world’s most deadly weapon; a humble man who collected as many honors as almost any man of his time. Before he died of a heart attack last week at 77, Danish ...

Part of Physics (Single Science) Unit 1: Atomic and nuclear physics Most of the mass and all of the positive charge of an atom is in the nucleus. Most of an atom is empty space, (a vacuum). In 1897, ...

Niels Bohr’s towering role in the history of physics can be difficult to appreciate. Robert P Crease explains why Man of integrity In his book Niels Bohr’s Times, the physicist Abraham Pais captures a ...