On This Day in 2017, we trekked to the University of Chicago to visit the original location of what was called “Chicago Pile-1,” the first self-sustaining nuclear reaction, improbably taking place under the bleachers at Stagg Field.

ahf.nuclearmuseum.org/ahf/histo…

A sculpture titled Nuclear Energy by Henry Moore sits on a stone pedestal in front of a modern building with plaques commemorating the first controlled nuclear chain reaction.A monument commemorates the first self-sustaining nuclear chain reaction, with plaques and a sculpture on display.A plaque commemorates the site of the first self-sustaining controlled nuclear chain reaction conducted by Enrico Fermi and colleagues in 1942.