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Explore how we have studied matter at its smallest scales, from table-top experiments to huge international facilities.
J J Thomson's Electromagnetic Tube used in the Discovery of the Electron, about 1896
Specimen of sand melted by the explosion of the first test atomic bomb, New Mexico, July 1945
Replica of one of the apparatuses (1906) used by Rutherford to determine the ratio of e/m for alpha particles
Black and white photographic print, showing the passage of a recoil proton of range 123 cm. through a mica sheet
Black and white photographic print, showing second model of cyclotron built by Ernest Orlando Lawrence and Milton Stanley Livingston
Illustrative photogaphic print and diagram, showing the compound photo-electric effect in argon