submitted 2 months ago by ashenone@lemmy.ml to c/sciencefiction@lemmy.world

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I'd love to hear about your favorite concept or idea you've read about or seen in scifi media.

My personal favorite is the Conjoiner Drive out of the Revelation Space series. These ship drives are dual drives on either side of a lighthugger and have a living being inside the drives to act as a supercomputer, which holds a wormhole open inside the drives. The wormhole links far in the past to the big-bang and uses the energy from the big-bang for propulsion.

In most scifi I've come across wormholes are used for FTL travel, and I thought this was such a unique and creative use of a wormhole it has stuck with me for years after reading about it.

So what are your favorite devices or ideas that have come out of scifi media?

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[-] elephantium@lemmy.world 3 points 2 months ago

Something like it comes up somewhere in Scalzi's Old Mans War series. One of the later books, I think. That's from aliens giving a human "brain in a jar" treatment, though -- not sure if it quite counts as being grafted into the ship.

[-] sad_detective_man@sopuli.xyz 2 points 2 months ago

You know I'd say that's pretty close. I forgot I should read those, somebody recommended that to me for liking Enders Game

[-] elephantium@lemmy.world 3 points 2 months ago

I loved Ender's Game when I read it as a kid. The followup trilogy was also intriguing, but I kind of lost interest during the 'Shadow series. Maybe around 2002?

Looking again now...wow, the author really expanded the setting! I had no idea he'd added even half this much.

this post was submitted on 12 Jul 2026

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