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"In my mind I have gone all over the universe, which may make it less important for me to make piddling little trips... I did enjoy seeing Stonehenge. It looked exactly the way I thought it would look."
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![]() This is the first reference to the phrase "positronic brain", if not the first use of the word "positronic", in science fiction (see below).
Here's another quote:
It fitted snugly into the cavity in the skull of the robot on the table...
All that had been done in the mid 20th century on "calculating machines" had been upset by Robertson and his positronic brain paths. The miles of relays and photocells had given way to the spongy globe of platinum iridium about the size of the human brain.
The word "positronic" was used by itself in Trail of the Comet, a 1936 story by James Blish:
Compare to the Laminated Mouse Brain Computer from Think Blue, Count Two (1962) by Cordwainer Smith, the neuristor from The Moon is a Harsh Mistress (1966) by Robert Heinlein, the artificial brain from The Metal Giants (1926) by Edmond Hamilton, the synthetic brain from Mad Robot (1936) by Raymond Z. Gallun and the Thorsen memory tube from The Door Into Summer (1956) by Robert Heinlein.
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