IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Rutherford-Geiger alpha-particle ...

A part of Rutherford’s scattering experiments, this particular experiment involved shooting alpha particles at a piece of gold foil with the source, foil, and detector placed in a vacuum vessel.

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 ...

It was 100 years ago today that Ernest Rutherford put forward the 'planetary' theory of the atom with a very small positively charged nucleus orbited by electrons, a discovery that underpinned ...