Radiation Therapy Physics

Concepts Review Blog

Sara Lorraine Gill, MSRS, CMD

Medical Dosimetrist and Educator

26. Radiation from Atomic Nuclei

26. Radiation from Atomic Nuclei

Sara Lorraine Gill
Published on: 04/10/2026

Discover how mass defect, binding energy, and Einstein’s equation, E = mc², explain the energy held inside atomic nuclei. Learn why changes in nuclear binding can release energy in fission, fusion, and radioactive processes.

mass defect and binding energyE = mc² explainednuclear binding energymass energy equivalencemass defect physicsenergy from atomic nucleistrong nuclear forcenuclear fission and fusionradiation from atomic nucleinuclear physics for beginnersradioactive decaynuclear stabilitymedical physicsnuclear medicine physicsand radiation physics course

Come say hello on social!