Development of the Atomic Bomb

The Gadget is suspended by tackle at the top of the tower. Norris Bradbury (left) and an unidentified Project employee stand behind the Gadget. Los Alamos Historical Society Photo Archives, LANL Collection, TR Series.
Los Alamos Historical Society Photo Archives, LANL Collection, TR Series.

The Trinity Test

What was it like to witness this secret test? Click here to learn more.
November 23, 1945 memorial service at the Urakami Immaculate Conception Cathedral in Nagasaki. Photo published by the Nagasaki City Office.
Photo published by the Nagasaki City Office.

The Atomic Bombings of Hiroshima and Nagasaki

What atomic legacies do we live with today? Click here to learn more.
This web page is supported, in part, by the National Endowment for the Humanities and the New Mexico Humanities Council.