/sci/ - Science & Math

>>10505492
chances are they basically can’t be stable no matter how hard you try, in any realistic scenario corresponding to out universe. even in solutions where you artificially make sure they survive, it often leads to causality violations (look up polchinski’s paradox)

>>10505504

Now hold up, I thought that causality only applied to Faster Than Light.

If I were to step through a wormhole(theoretically stable) by all means I would be travelling slower than light, since it's a fold in space time, and not actually crossing the full distance of the space of which i'm travelling to.

>>10505504
of course there is also the vacuum of space theory i've heard about but using the vacuum as a method of holding it open is a new science all of it's own.

>>10505523
yes, true. however that’s why i mentioned polchinski’s paradox. even if you find a valid solution to the einstein field equations that contains a traversable wormhole, even then it seems doomed by the presence of unrealistic effects like violations of causality (like a billiard ball shot into a wormhole along a trajectory that intersects with its past self thus preventing it from entering the wormhole)

>>10505544
so we manage to open one, try to throw something through, it would probably come into contact with it's past self, interesting.

>>10505551
no, i’m not saying that would be _probable_, just that it would be possible in certain scenarios. the fact is that assuming the possibility of wormholes in general implies the possibility of violations of causality. that is bad

>>10505562
Oh right, it opens up paradox's (paradoxs'?) Yeah that would be bad.

>>10505492
Lets try to find out anon. I know a cozy system nearby. Red dwarf star, good target for a dyson sphere. Needs some big magnets to control the flares but otherwise a good choice.

By the time we finish building it we should know what to do with all the energy. Cracking holes in spacetime is as good an application as any. I'm just concerned such things usually have consequences.

I think we are a long way off though. We need to know more about exotic matter and superstates of various elements. These kinds of things need to be tackled first.

Ever since gravitational waves were found, I have started to think that (almost) everything he thought was right. (Sorry, he's still wrong about quantum mechanics and probably ToE too. But then again, almost everyone is wrong about that last one.)

>>10505577
>t. that sci-fi author anon larping as a schizo

>>10505492

>>10505607
My word salads make sense then huh. Guess I'm not crazy after all ;)

>>10505617
more like they sound equally as sci-fi as “fire photon torpedoes and then engage the tractor field”

>>10505492
Just make them spin and they will stay open via centrifugal force.

Look up Kerr black holes and naked singularities.

What was that about negative energy?

>>10505492
charged matter enough to attract other matter from ridiculous distances at such a force that instead of using conventional movement like a bullet, it would carry a chunk of space with it that works as a bubble.

Here's an obnoxious /tv/ meme for you all
>"but how does it work?"
>sticks a pencil through a piece of paper

>>10505633
We have a long way to go. I just believe we can get there. I'm saving up to turn myself into a cyborg and if that happens I may just live to see the final piece of our first dyson sphere put in place.

>>10505662
I dont understand this.

>>10505754
And you never will, virgin!!!
*high fives chad*
*chugs beer*