Cybernetics

Cybernetics was a science concerned with the control mechanisms of machines. (TV: Four to Doomsday) It was known on Gallifrey, indeed studied and applied by the Doctor (TV: Destiny of the Daleks) and Drax. (TV: The Armageddon Factor)

Cybernetics was involved with the functioning of the Cybermen. (TV: The Tomb of the Cybermen)

Many scientists of various species studied cybernetics, including Dr Tanizaki, (TV: Cyberwoman) Professor Alistair Gryffen (TV: Regeneration), Davros (AUDIO: The Juggernauts) and Nyssa of Traken. (TV: Four to Doomsday)