The Manhattan Project that built the atomic bomb wasn't without its own dangers. Experiments on a so-called "demon core" of plutonium caused the deaths of two Manhattan Project physicists. Both ...

The so-called Demon Core was a cursed object, a 6.2 kilogram mass of plutonium intended to be installed in a nuclear weapon. Instead, slapdash experimental techniques saw it feature in several tragic ...

Demon Core ' is a research-use plutonium lump that was converted from a nuclear weapon that was planned to be dropped on Japan, and is known for dangerous criticality experiments that are performed ...

The atomic bombs had been dropped. But at the Los Alamos lab in New Mexico, scientists working on the Manhattan Project, the top-secret program led by J. Robert Oppenheimer that created the first ...

Add Yahoo as a preferred source to see more of our stories on Google. The Manhattan Project that built the atomic bomb wasn't without its own dangers. Experiments on a so-called "demon core" of ...