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Called the "Model K" Adder because he built it on his "Kitchen" table, the simple demonstration circuit provides proof of concept for applying Boolean logic to the design of computers, resulting in construction of the relay-base model I complex calculator in 1939. The same year in Germany, engineer Konrad Zuse built his Z2 computer, also using telephone company relays.

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In 1941 Isaac Asimov publishes the science fiction short story Liar! in the may issue of Astounding Science Fiction . In it, he introduced the Three Laws of Robotics: 1 a robot may not injure a human being or, through inaction, allow a human being to come to harm. 2 A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law. 3 A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws. This is thought to be the first known use of the term robotics.

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In 1950 a neurophysiologist, Walter built wheeled automations in order to experiment with goal seeking behavior. his best known robot,Elsie, used photoelectric to seek moderate light while avoiding both strong light and darkness which made it peculiarly attracted to womens stockings.

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In 1960 while studying machine translation of languages in Moscow, C.A.R. Hoar develops Quicksort,an algorithm that would become one of the most used sorting methods in the world. Later, Hoar went to work for the british computer company Elliot Brothers, where he designed the first commercial algo 60 complier. Queen Elizabeth II knighted C.A.R. Hoar in 2000

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In 1974 David silver at MIT designs the Silver Arm, a robotic arm to do small-parts assembly using feedback from delicate touch and pressure sensors. the arm's fine movements approximate those human fingers.

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In 1982 Nolan Bushell founded Androbot with former Atari engineers to make playful robots. The "Friendly Robotic Educational Device" FRED designed for 5-16 year-olds, never made it to the market.

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In 1994 Replacing the Archimedes computer, the RISC PC from UK's Acorn Computers uses the ARMv3 RISC microprocessor. Though it used a propriety operating system, RISC OS, the RISC PC could run PC-compatible software using the Acorn PC Card. The RISC PC was used in UK broadcast TV and in production of music.