The December 2, 1942, experiment at the University of Chicago changed science and the history of the world. The ability to sustain and control nuclear energy led to the development of nuclear fission weapons as well as peaceful uses of nuclear power. 

The following timeline highlights key moments and discoveries of the Atomic Age, particularly those connected to UChicago. A comprehensive timeline is available from the Atomic Heritage Foundation.

UChicagoSocial: #Nuclear75