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For questions about the history of the genre: the origin and evolution of ideas in speculative fiction. Example topics include the first work of speculative fiction with a particular property, or the origin of a term or trope.

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Earlier references to spread spectrum than Starship Troopers?

So, I'm re-reading Heinlein's Starship Troopers, for the first time in many years, and I noticed that he describes something very much like spread spectrum radio: The frequency control to maintain ta …
Jeff Dege's user avatar
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