"Gadget," the first atomic bomb — a 6-foot sphere with a grapefruit-sized Plutonium core, covered in cables — was born out of the Albert Einstein-inspired Manhattan Project, and was detonated ...

The “Trinity” test, as it was secretly known, was the first nuclear detonation by the American military, occurring on July 16, 1945. That test resulted in the distribution of radioactive ...

2, 1942, a group of 49 scientists gathered to conduct the criticality test. According to those who were there ... becoming the nation’s first national lab—Argonne National Laboratory. In order to ...

The clock hands are set by the Bulletin of the Atomic Scientists, a group formed by Manhattan Project scientists at the University of Chicago who helped build the atomic bomb but protested using it ...

U.S. theoretical physicist J. Robert Oppenheimer (1904-1967) led the Manhattan Project, America’s wartime atomic bomb development initiative. He is also the main character of “Oppenheimer ...

As part of the Manhattan Project, Los Alamos — both its very ... by 1945 some had figured out that they were in fact building an atomic bomb.

On July 16, 1945, the world's first atomic weapon was tested in New Mexico in the United States. This plutonium atomic bomb was called Trinity and it marked the beginning of the nuclear age.

After the Trinity test, she joined several of the top Manhattan Project scientists in signing ... In The Making of the Atomic Bomb, author Richard Rhodes describes Kitty Oppenheimer as a ...

It’s been 75 years since the US military dropped the atomic bomb on the Japanese city ... Bederson was 22 when he applied to join the Manhattan Project: the top-secret operation tasked with ...