Post items, objects, technologies you've seen in sci-fi movies twenty years back (not the latest sci-fi movies) but aren't available off- shelf or aren't being actively researched. From "Star trek" - the teleportation station. From "Back to the future - Part ??" - Flying cars8 responses total.
I'd nominate the Orgasmatron from "Sleeper" except I'm sure that someone somewhere *is* actively researching it..
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The dream actualizer in "The Lathe of the Gods" (or something like that).
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or, if one prefers, Soylent Green..
The teleporters aren't even teleporting beams of light yet - just quantum states.
the child's dream-stealer from City of Lost Children
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You have several choices: