Example image of eyePlorer eyePlorer map for 'Gauss's law': Electric charge Electric field Physics Closed surface Electric flux Carl Friedrich Gauss Classical electromagnetism Maxwell's equations Coulomb's law Surface integral Vacuum permittivity Charge density Divergence Divergence theorem Electric displacement field Polarization density Gauss' law for gravity Gauss's law for magnetism Newton's law of universal gravitation Faraday cage Ampère's circuital law Area Dot product Infinitesimal Symmetry Gaussian surface Partial differential equation Capacitor Static electricity Dielectric If and only if Linear elasticity Permittivity Origin (mathematics) Point particle Dirac delta function Curl (mathematics) Faraday's law of induction Helmholtz decomposition Unit vector Inverse-square law Walter Lewin Portable Document Format Constraint algebra Faraday cup electrometer Bond valence method Earnshaw's theorem Green's function for the three-variable Laplace equation Scientific phenomena named after people A dynamical theory of the electromagnetic field