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 ... As part of an experiment with ...

Ernest Rutherford ... atom, dislodging a single particle. The particle had a positive charge, so it must have come from nucleus: he called this new particle a proton. With this experiment, he ...

While an incredible achievement, few nuclear reactions could be achieved through bombarding nitrogen with alpha particles. Rutherford's work with Niels Bohr in the 1920s, predicting the existence ...