Example image of eyePlorer eyePlorer map for 'Nuclear isomer': Atomic nucleus Excited state Metastability Nucleon Stationary state Gamma ray Internal conversion Beta decay Nuclear fusion Nuclear reaction Spin (physics) Isotope Mass number Nuclear fission Actinoid American football Circular symmetry Prolate spheroid Reflection symmetry Rugby football Spheroid Neutron Proton Half-life Microsecond Nanosecond Spontaneous fission Quantum mechanics Tantalum Age of the universe Hafnium Tungsten Supernova Electron volt Photon Gram Trinitrotoluene Laser Stimulated emission Orders of magnitude (power) Induced gamma emission Nuclear Non-Proliferation Treaty DARPA Technetium Technetium-99m Isomeric transition Cadmium-113m Induced gamma emission: Hafnium controversy Isomeric shift Isotopes of molybdenum