On July 16, 1945, the world’s first atomic bomb detonated in the New Mexican desert, releasing a level of destructive power unknown in the existence of humanity. Emitting as much energy as 21,000 tons of TNT and creating a fireball that measured roughly 2,000 feet in diameter, the first successful test of an atomic bomb, known as the Trinity Test, forever changed the history of the world.

While most people are familiar with the names of “Little Boy” and “Fat Man” as the atomic weapons used over Japan, what they may not be familiar with was how different the respective technologies of each bomb were and why this difference mattered. 

Wilma Betty Gray's WAC journey began when she boarded a train, destination unknown. Her assignment was Oak Ridge, Tennessee, for the Manhattan Project.

Penned by philosopher Bertrand Russell and endorsed by Albert Einstein, the document warned human beings about the existential threat posed by the new hydrogen bomb.

Most people are aware that Boeing's B-29 Superfortress was the plane that made the first atomic attacks. However, the B-29s delivering America’s first atomic weapons were far from ordinary.

Los Alamos and other Manhattan Project Sites developed across the US in 1942 and 1943.

Scientists became political activists in the debate over control of atomic energy.

The combined force of the Hiroshima and Nagasaki bombings was minuscule in comparison to the Tsar Bomba, the most awesome nuclear weapon ever detonated.