Topic - Ripple

==Science and technology==* Capillary wave, commonly known as ripple, a wave traveling along the phase boundary of a fluid** Ripple, more generally a disturbance, for example of spacetime in gravitational waves* Ripple (electrical), residual periodic variation in DC voltage during ac to dc conversion** Ripple current, pulsed current draw caused by some non-linear devices and circuits** Frequency-domain ripple*** Ringing (signal), oscillation of a signal, particularly in the step response* Polarization ripples, appearing after irradiation of a solid by energy flux (laser, ions, etc.)* Ripple marks, as identified in sediments and sedimentary rocks* Ripple (payment protocol), a real-time gross settlement system, currency exchange and remittance network by Ripple* Ripple control, a form of electrical load management - Source: Wikipedia