Telecommunication
Telecommunication, science and practice of transmitting information by electromagnetic means. Modern telecommunication centres on…
Other methods of machining
Ultrasonic machining (USM) In USM, material is removed from a workpiece with…
Electrical-discharge machining (EDM)
EDM involves the direction of high-frequency electrical spark discharges from a graphite…
Adaptive control
Improvements in CNC machine tools depend on the refinement of adaptive control, which is…
Frequency response
Hearing aid Hearing aid, device that increases the loudness of sounds in…
Damping
Damping, in physics, restraining of vibratory motion, such as mechanical oscillations, noise, and alternating electric currents,…
Servomechanism
Servomechanism, automatic device used to correct the performance of a mechanism by…
Superconductivity
Superconductivity, complete disappearance of electrical resistance in various solids when they are cooled below…
Electromotive force
Electromotive force, abbreviation E or emf, energy per unit electric charge that is imparted by an energy source, such…


