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How did Isaac Asimov popularize the term robotics?

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Humanoid robot — robot ASIMO, a two-legged humanoid robot developed by the Honda Motor Co.

While the term robot originated in Karel Čapek’s 1920 play R.U.R., the word robotics was popularized by science-fiction writer Isaac Asimov.12

Asimov first introduced the term in his 1941 short story "Liar!". He further established the word and its cultural significance through his influential body of work, which shifted the portrayal of robots from "marauding metal monsters" to machines governed by complex ethical programming.23

His most significant contribution to the field's conceptual framework was the formulation of the Three Laws of Robotics, which he introduced in his 1942 story "Runaround". These laws—designed to ensure the safety of humans and the ethical operation of machines—became a cornerstone of science fiction and remain a frequent reference point in modern discussions regarding technology, artificial intelligence, and robotics itself.421