POSITRONIC ROBOTS
   Because Isaac ASIMOV's ROBOT stories are so celebrated, this term is one of the best known in the genre; it is not, however, a generally used item of sf TERMINOLOGY, few writers having had the cheek to borrow the idea from its inventor - although Data, the android in STAR TREK: THE NEXT GENERATION, is described as having a positronic brain. The positron is theantiparticle of the electron (ANTIMATTER; PHYSICS); the idea of (highly unstable) positrons being suitable material for the construction of an artificial brain with "enforced calculated neuronic paths" was sheer double-talk, as Asimov was the first to admit.
   PN

Science Fiction and Fantasy Encyclopedia. . 2011.

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