IT has been stated as a general proposition by physicists that it is impossible to propagate a finite number of simple harmonic waves without change of type, the reason being that the discontinuity of ...
HYDRODYNAMICS: The equation of motion -- The equation of continuity -- The wave equation for a progressive wave with a rigid profile traveling at constant phase speed -- Solution of the wave equation ...
Comb-based optical frequency metrology and atom clocks have pushed the measurement of time and frequency to unprecedented precision in recent decades 1. The recently emerged miniature ...