I like what David Brin did in Foundation's Triumph (the third book in an authorized sequel to the Foundation series), where he dropped a little nugget early on that the Foundation universe's FTL technology was based on principles that, once discovered, were trivial to implement — so much so that planets whose technology regressed to pre-nuclear stages, as many in the original book had, were still capable of producing, maintaining, and operating starships — as the ones in the original books did.
In other words, he retroactively kept the original books making sense without keeping their technology stuck in the past.
I also like the idea of a good portion of humanity moving into space (Cities in Flight, Culture, etc.), not just (or even primarily) colonizing other worlds; and I tend to integrate that into my version of “what comes after Æon”.
In other words, he retroactively kept the original books making sense without keeping their technology stuck in the past.
I also like the idea of a good portion of humanity moving into space (Cities in Flight, Culture, etc.), not just (or even primarily) colonizing other worlds; and I tend to integrate that into my version of “what comes after Æon”.
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