Example image of eyePlorer eyePlorer map for 'Cherenkov radiation': Electric charge Electromagnetic radiation Electron Insulator (electrical) Particle physics Speed Speed of light Nuclear reactor technology Nobel Prize in Physics Pavel Cherenkov Russians Physical constant Special relativity Vacuum Water Matter Particle accelerator Dielectric Group velocity Phase velocity Smith–Purcell effect Photonic crystal Electromagnetic field Atom Mechanical equilibrium Photon Electrical conductor Interference (wave propagation) Sonic boom Supersonic Sound Shock wave Refractive index Similarity (geometry) Metamaterial Frank–Tamm formula Electromagnetic spectrum Fluorescence Stimulated emission Wavelength Ultraviolet Gamma ray X-ray Dispersion (optics) Kramers–Kronig relation Cone (geometry) Nuclear fission Pool-type reactor Radioactive decay Cosmic ray