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Favorite scifi concept? (lemmy.ml)
submitted 3 months ago by 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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[–] [S] 6 points 3 months ago* (1 child)

Im with you i love a good megastructure. I know the bobiverse books are a bit cheesy but I really enjoyed the oneill cylinder world that was the main focus of book 4 I think it was. Pushing Ice, Ringworld, and Rendezvous with Rama were all good as well. Got any other good superstructure stories I could get into?

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  • [–] 4 points 3 months ago

    You named virtually all of the ones I'd mention first lol. I guess I'd probably add "bowl of heaven" to that, I'm not sure it's design is the most plausible form for the concept really but it features a stellar engine (specifically, one using the star as a sort of rocket thruster, to move something like a ringworld around).

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