WilsonTurner [+]

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I did a bit of research on this, and found this Veritasium video. From what I gathered, quantum entanglement does exist, but it can't be used to communicate. Do you have any sources beyond the wikipedia article?

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The idea was that wormholes aren't artificial, but entangled and primordial singularities that have survived since cosmic inflation.

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Given what I've read, they've yet to peer review the results, or rule out experimental errors. It might be the magnetic fields of the Earth and Sun messing with the results.

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The graviton engine is like an EM drive on steroids, but relies on forces like the casimir effect. The intention is to have a vacuum based energy source, so we can justify post scarcity and starships being semi-common. To balance things, the engine is very fragile, can't go FTL, and would need regular drives as backup. Its utility is also hindered by external gravity, so it's more popular in places like lagrange points and star system fringes.

EDIT: I see what you're saying about bending physics. What if graviton engines are the precursor to turning spacetime into matter/energy? It could create any force from virtual particles, and provide energy for everything. o.o

1. I'm just going on how quantum pairs react to each other. If you push a button that switches one side of the pair, then a light on the other side connected to the state of the other paired particle might come on, because it sensed the change and lit up the bulb in response. I'm simply assuming that one can control what it switches to, and that there are only two opposite states- it could be that a paired set might have thousands of different states, which would theoretically mean that if they could be controlled, you might only need two pairs of entangled particles.

I've not found an article about it- I simply found something, and made my own concept. It might very well exist as a concept by a renowned researcher, but I haven't found it if so. It's like knowing that antimatter + matter = a burst of energy and the annihilation of the two particles, and use that knowledge to make up a concept of a reactor that's essentially a containment field that collects energy, with two little peashooters on opposite sides that shoot matter and antimatter to meet in the middle, so that the energy can be harvested.

Just concepts I thought up.

2. Wormholes are... wut 0.o
I cede whatever point I had been trying to make and accept your side, because I haven't done the research to keep up or make any more legitimate arguments .___o

3. EM Drives. It could be gravity or magnetism or the sun- but what if it's not? Totally legit, that is.

4. Graviton engines might be interplanetary ships? Perhaps in this universe that we start out in, FTL is expensive, and so any FTL-capable ships are really, really big- like UNSC Infinity big- and almost as rare (obviously, people wouldn't want to be limited to one ship). Meanwhile, taking wormholes and stabilizing and utilizing them to create portals to and from different systems- such as a Infinity-sized ship carrying the opposite end of a portal made in Sol, all the way to Alpha Centuri, and using the pre-constructed portal to connect it to its counterpart in Sol to create the portal- so that ships don't have to rely on the big behemoths that can independently FTL.

Very much more powerful ships, such as the big FTL-capable ships, might use graviton engines to do the majority of the lifting, with dozens of smaller drive engines for maneuvering and such- while smaller ships use traditional or EM drive systems.

And of course, there might be active research into using space/time to generate power? Perhaps the large FTL-capable ships often end up, when at full acceleration, producing more power than they gain- another oddity that people study, but due to simply not knowing, leave it as-is?

WilsonTurner [+]

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1. Ah, I see what you mean now. An FTL morse code would be awesome, but I think entanglement ends when one side is altered. That would balance it, as particles need to be replenished and shipped. Fortunately, there are starships and wormholes.

2. Long story short, let's say the big bang made a bunch of wormhole pairs. They changed over time, and vary wildly. They could be kilometers to photons wide, with length contractions from 1k to 1 billion. They could be AU to light centuries apart, and heavily time dilated. I'd say most pairs are in the same system, as star motion would destroy or repel closing timelike curves.

To maintain sanity, let's say they're irreproducible. Otherwise, good luck against micro-wormholes fueled by sheared targets/interstellar particles, empire-time wars, and similar anomalies.

3. Then, it could be cosmic rays pushing against the scattering photon chamber, giving us a feasible reactionless drive.

4. For causality's sake, let's say FTL leads to alternate pasts. We could have warp ships, but the FTL cat will violently claw of out the metaphorical bag. I mean, a billion g gets you to near-light speed in seconds, and a million g nears c in minutes. This implies 1g drives are incredibly common, and would amplify space travel.

But, what about ships limping from future wars? Or relativistic ships skipping light minutes, as they align their waste for collisions?

1. Quantum entanglement isn't that short-lived. I've read at least half a dozen articles and the like about making entangled particles, and there has been no mention to a short lifespan of the particles- and if they expired after first-use, and they were still difficult to create, then they'd be super expensive single-use pre-set messengers, which would be a terrible waste and no one would want it. No, I don't think entangled pairs are so short-lived. So a device to communicate via entangled pairs wouldn't be single-use, or short-lived use.

2. o.0
Coolio, that'll do. I dunno what else to say.

3. Yes! Agreed!

4. Well if we have portals that, say, lead instantly to its destination- such as maybe a energetic tunnel that shrinks distance from 100 lightyears to 1 AU, on that sort of scale, then it would be a relatively short trip, now wouldn't it be?

And FTL, I think, would be weird, but the sort of FTL I'm looking at for this sort of setting is essentially instantaneous. I mean, even if you are going just super fast, it doesn't change anything, does it? When you get there, yes, time has passed, but it's not time travel or nothing. I mean, technically, you're slowing down time on a ship by going elsewhere, I get that, but... for the sake of simplicity, one is simply going there really fast. Interstellar FTL, that gets to other-

You know, maybe instead of a literal FTL drive, perhaps there's a sort of alterverse, a dimension, layered over the normal space-time. Ever played Elite Dangerous? Something like flying in regular space, and then going into hyperspace. Activate a drive, open a portal, which takes you into a dimension where there are random 'energy' storms everywhere, where you can pilot yourself between systems easily. The more gravity and particles there are, the slower you go, at maximum. So going from system to system takes a couple hours, and feels like a couple hours. But flying in a system, near a planet, causes turbulence and screws up sensors and the like, and increases the chance of randomly being spouted into realspace.

Or something?