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 ...

I think we can all agree that the physicists, engineers, and chemists who worked on the Manhattan Project -- which ultimately ended World War II -- were consummate geniuses and paragons of ...

In 1946, shortly after the end of World War II, the physicist Louis Slotin stood in front of a low table at the Los Alamos National Laboratory, concentrating intensely on the object in front of him.

Have you heard of the Demon Core? Though it sounds like some kind of a superstitious group, rest assured that is not what it is. Instead it refers to the time in which scientists at the Los Alamos ...

What happened in Los Alamos during World War Two is under a lot of scrutiny these days. There was the TV show, then there was the national park, and now President Obama is going to Hiroshima to ...

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 ...