this post was submitted on 12 Jul 2026
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Science Fiction

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Lemmy World Rules

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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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[–] Tollana1234567@lemmy.today 1 points 1 week ago* (last edited 1 week ago)

the various forms of FTL, including dimensional teleportation. hyperspace seems quite common between 3 scifi universes. wormhole drives. the most unique seems to be doctors who tardis which uses a form time travel/ftl. that doesnt violate the C velocity, its a way to explain away/bypass, unlike warp drive.

favorite in trek is the vortex drive(xindi,spherebuilders) is similar to transwarp of voth and borg(voth seems to have a more advanced version than the borg since they can cloak at high warp/transwarp which most species can use both tech at the same time, the borg needs a subspace field for thier transwarp and coils), and slipstream of aucturs species.

other unusual ones is the caretakers intergalatic ftl, which uses thier array to produce a wave of energy that makes them pass through a rift, or subspace so almost instantaneous travel.

asgard seems to have the fastest hyperdrives out there unassisted with zpms(although they use massive generators), not even the deadalus class, or even the zpm powered odessey is that fast.