After English physicist James Chadwick discovered the neutron in 1932, Enrico Fermi and his colleagues in Rome studied the results of bombarding uranium with neutrons in 1934.
Efter at den engelske fysiker James Chadwick opdagede neutronen i 1932, undersøgte Enrico Fermi og hans kolleger i Rom virkningerne af at bombardere uran med neutroner i 1934.