Strain rate Daniel da Silva (mathematician) Relative velocity Inhomogeneous electromagnetic wave equation Catenary Gian Michele Graf Mechanical equivalent of heat Boris Nemtsov Mesophase Nanoionics Pipe organ Legendre polynomials Gérard Grisey Multipolarity of gamma radiation Outline of guitars Coin Plasma actuator Yuri Rumer Byzantine Empire Neil Arnott Jay Fineberg Parabolic antenna Tonograph Introduction to entropy Axial multipole moments Rudolf Clausius Mohr's circle Hyperbolic motion (relativity) Karole Armitage John Langdon Down Metadynamics Coronal radiative losses Fourth, fifth, and sixth derivatives of position Joachim Escher Legendre transformation Poincaré group Alexander Holevo Werner Urland Reflection coefficient Diatomic molecule Five-dimensional space Herbert S. Bridge Danish Golden Age Julián Carrillo Trouton–Noble experiment Friedel oscillations Constantijn Huygens Jr. D'Alembert's principle Field-reversed configuration Spin group Covariance group Undulator An Inquiry Concerning the Source of the Heat Which Is Excited by Friction William Luther Pierce Julius Wess Nonstandard analysis Expected value Striking clock Margaret Eliza Maltby Hans Dekker Longitudinal wave Magnetostatics Alexandra Olaya-Castro Boltzmann constant Janusz Grabowski K. R. Rajagopal David J. Griffiths