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Title: Ernest Rutherford, Artificial Transmutation
Caption: Color enhanced photograph of the apparatus with which Earnest Rutherford first observed artificial transmutation in 1919. In this equipment, nitrogen atoms were converted into oxygen atoms, when in collision with alpha particles from a source in inside the horizontal enclosed tube. Protons ejected by nitrogen when forming oxygen were detected at the rectangular window at the end of the tube.
Category: Science: History
Credit: Album / Science Source
Image size: 3202 × 3117 px | 28.6 MB
Print size: 27.1 × 26.4 cm | 1260.6 × 1227.2 in (300 dpi)