The atomic nucleus

Build a nucleus proton by proton and neutron by neutron, and see how the pieces fit together and where the binding energy comes from. More nuclear models will be added to this page.

Isotope BuilderIsotope Builder →Pick any isotope or build your own, nucleon by nucleon. Switch between 2D and 3D views, show the kiss points and read the binding energy.
THE DELFT BELL TEST →The heralded Bell test rebuilt as a mechanism.STERN–GERLACH AND SPIN →3D Stern–Gerlach, causality and the inside of the particle.