In his 1959 short story Robot Justice, Harry Harrison wrote about a far more evolved robotic trash can that takes planetary cleanliness to an even higher level; it is even able to detect such unhygienic behavior as spitting on the sidewalk..
Even as the saliva hit the spotless sidewalk, a waste can twenty feet away stirred into life. It rotated on hidden wheels and soundlessly rolled towards him.
A flexible arm licked out and quickly swabbed the sidewalk clean. Then the can squatted like a mechanical Buddha while a speaker rasped to life in its metal insides. A tinny mechanical voice addressed Carl.
"Carl Tritt, you have violated Local Ordinance #bd-14-668 by expectorating on a public sidewalk. The sentence is two days.
(Read more about the Robotic Trash Can)
AI Enhances Images Your Brain Sees
'I could have sworn the psychomat showed pictures almost as sharp and detailed as reality itself' - Stanley Weinbaum, 1935.
Technovelgy (that's tech-novel-gee!)
is devoted to the creative science inventions and ideas of sf authors. Look for
the Invention Category that interests
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Timeline, or see what's New.
Illustrating Classic Heinlein With AI
'Stasis, cold sleep, hibernation, hypothermia, reduced metabolism, call it what you will - the logistics-medicine research teams had found a way to stack people like cordwood and use them when needed.'
Deflector Plasma Screen For Drones ala Star Wars
'If the enemy persists in attacking or even intensifies their power, the density of the plasma in space will suddenly increase, causing it to reflect most of the incoming energy like a mirror.'