July 16, 1945. It happened within a millionth of a second. In the New Mexico desert in the early morning hours, a group of scientists watched in anticipation as the countdown began. It was silent at first, yet hot and unbelievably bright. Then came the sound. The first-ever atomic bomb explosion... was a success. How did scientists working on the Manhattan Project create what was then the most powerful weapon in history? And how did the bomb’s existence forever change our sense of what human beings are capable of?

Thank you to our guest Dr. Jon Hunner, a professor emeritus of U.S. history at New Mexico State University and author of Inventing Los Alamos: The Growth of an Atomic Community and J. Robert Oppenheimer, the Cold War, and the Atomic West.

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