Later, conflicting documents about whether the plutonium was inserted into ... and none of the crew saw an explosion after ...

Photo: Atomic bomb test explosion in Alamagordo ... In Hanford, Washington, three reactors were built to extract plutonium (another element with atoms that could be split) from a non-fissionable ...

"Gadget," the first atomic bomb — a 6-foot sphere with a grapefruit-sized Plutonium core ... detonated the world's first atomic bomb. The explosion vaporized the steel tower, sent a massive ...

Said trim, goateed Francis Perrin: “It [the explosion] gives us no more than ... The fissionable substance in the French bomb was plutonium. The French have been producing plutonium since ...

This image from 1945 shows Manhattan Project physicist Harold Agnew smiling and holding the plutonium core of one ... the heart of the "Fat Man" atomic bomb was detonated on August 9, 1945 ...

The conversion itself is one of the main achievements of the agreement, because only at Arak can Iran produce plutonium from raw uranium, strategically essential for producing bombs deliverable ...

There was no nuclear blast, but plutonium was scattered ... so there was no nuclear explosion. In theory, parachutes attached to the bombs should have borne them gently down to earth, preventing ...

"We have evidence," he said, "that within recent weeks an atomic explosion ... of plutonium and the supplies of uranium ore. And they recommended expanding research into fission bombs.