Demon core
Appearance
The demon core was a ball of plutonium that was supposed to be the third atomic bomb in the Manhatten project. The demon core took the lives of

two physicists, Harry Daghlian Jr. and Louis Slotin.
The demon core was a ball of plutonium that was supposed to be the third atomic bomb in the Manhatten project. The demon core took the lives of
two physicists, Harry Daghlian Jr. and Louis Slotin.