Example image of eyePlorer eyePlorer map for 'Electromagnetism': Electric charge Electromagnetic field Elementary particle Field (physics) Force Physics Electric field Electrical generator Faraday's law of induction Induction motor Magnetic field Transformer Electric current Magnet Albert Einstein Four-vector Special relativity Hans Christian Ørsted Centimetre gram second system of units Classical electromagnetism André-Marie Ampère Heinrich Hertz James Clerk Maxwell Mathematical physics Michael Faraday Oliver Heaviside Light Electromagnetic radiation Oscillation Photon Quantum Frequency Gamma ray Radio waves Gian Domenico Romagnosi Fundamental interaction Atomic nucleus Gravitation Strong interaction Weak interaction Friction Atom Electron Proton Intermolecular force Molecule Chemistry Molecular orbital De Magnete William Gilbert