Like everything we see in the world, isotopes are a type of atom, the smallest unit of matter that retains all the chemical properties of an element. Isotopes are forms of a chemical element with ...

Neutrons are produced at ORNL's High Flux Isotope Reactor through fission of uranium-235, an isotope used to sustain controlled chain reactions. When a U-235 atom absorbs a neutron, it splits, ...

The strongest force in the Universe is the one that holds together the protons and neutrons in an atom’s nucleus. To unlock how elements are forged, the physics of neutron stars and more, scientists ...