Laws ==== A physical law, scientific law, or a law of nature is a scientific generalization based on empirical observations of physical behavior. .. py:currentmodule:: symplyphysics.laws **Contents:** .. toctree:: :maxdepth: 4 laws.astronomy laws.chemistry laws.condensed_matter laws.conservation laws.dynamics laws.electricity laws.fields laws.geometry laws.gravity laws.hydro laws.kinematics laws.nuclear laws.optics laws.quantities laws.quantum_mechanics laws.relativistic laws.thermodynamics laws.waves