neutrons are a mean of subatomic wave
neutron_star_matter is neutronium. neutron_star_matter is not neutronium. fast_neutron is neutron. neutronium is neutron_matter. neutrons has about_as_much_mass_as_protons photons is both_particles_and_waves. beta_particle is subatomic_particle. beta_particle is not subatomic_particle. neutrons has spin neutron_radiation is corpuscular_radiation.