As part of an experiment with x-rays in 1909, Rutherford was shooting a beam of alpha particles (or alpha rays, emitted by the radioactive element radium) at a sheet of gold foil only 1/3000 of an ...

Scientists based in Manchester, not the US, made the "key breakthrough" in splitting the atom, despite Donald Trump's claims ...

Hans Geiger and Ernest ... thin gold foil. These particles should have passed straight through, according to the plum pudding model. However, many of them changed direction. Ernest Rutherford ...