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 ...

IFLScience needs the contact information you provide to us to contact you about our products and services. You may unsubscribe from these communications at any time.

The Demon Core was meant to be the heart of the third atomic bomb. What made scientists so afraid of the Demon Core? In today's video we look at one of the most powerful materials found on this Earth, ...

A plutonium core from the Manhattan Project became deadly when two laboratory accidents exposed scientists to fatal radiation.