Congrats to all the highly-deserving winners of the 2021 ICTP Dirac Medal! We're proud to see the work of our colle… https://t.co/4K4T7WpZuo
One of the particles in an atomic nucleus. These particles have no electric charge, but they hold together the protons (positive particles in a nucleus), and account for roughly half of the particles in the nucleus. Neutrons are fermions, and are believed to form the majority of the matter in a neutron star.