Time travel literally never makes any sense. it isn't science fiction it's fantasy shit like magic spells

The "time travel" in Interstellar made the most sense. You can travel faster through time relative to a point if you are in a stronger gravitational field.
Going back in time might be impossible, but who knows. Worm holes are a catch all to explain away anything that we don't understand yet

Science fiction is just magic in space.

Yes and no. Going back in time to make your dad have sex is fake and gay but space and time behave in a manner that can send things to different timelines and dimensions. Right now we don't have the technology to send people through time but theoretically if you have two magnetic housing units for the dual micro singularities and an electron injection manifold to alter mass and gravity of the micro singularities you can send objects through time. You would also need an x ray cooling system but that doesn't exist yet either but it's pretty close from what I understand.

Yeah the progress on x-ray cooling systems is really exciting right now

>if we use enough big words this thing might actually work

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The way I understand it time travel doesn't exist in the sense that you can go back to the past. But you would be able to predict the future. Let's say a planet you are nearby explodes. You take your spaceship that travels faster than light and go to another planet several lightyears away. You tell the inhabitants :" look up to the sky, that planet is going to explode in eight minutes. ". So you'd be from the future since you're able to predict it. You can't just go back in time to the same place. At least that's my brainlet understanding of it.

Every movie has time travel...
Time moves forward too...

Speak in a language we can understand, Mr. Scientist

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They deleted sections of the routing. That means that the only recovery point which is within the mainframe is inaccessible without completely overclocking the motherboard and frying most if not all components. They're using industrial strength fans right now to try to cool the servers enough for another attempt at bypassing the route modules and going straight to the physical bus lines on the nodes in question. This is painstaking work and will take hours if not days, and there's no guarantee they can do it without causing so much surface damage that the data is corrupted and irretrievable.

problem is interconnecting the physical bus lines without a grameter detractor will simply cause spanning tree to uproot. the fact they're trying anyway means they're operating on double-backbone scsi reflectors. literally nobody has these since they were forced into obsolescence with the passing of the patriot act! this isn't a purely technical problem, from a vpn ad-tracking standpoint, but a literally inrush current problem with multihomed tagged traffic proxies being crosslinked to geopolitical ideals.
there is simply no way the world wont be profoundly changed be this event

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The missile knows where it is at all times. It knows this because it know where it isn't. By subtracting where it is from where it isn't, or where it isn't from where it is, whichever is greater, it obtains a difference, or deviation. The guidance subsystem uses deviations to generate corrective commands to drive the missile from a position where it is to a position where it isn't and, arriving at a position where it wasn't, it now is. Consequently, the position where it is, is now the position that it wasn't, and it follows that the position that it was is now the position that it isn't. In the event that the position that it is in is not the position that it wasn't, the system has acquired a variation; the variation being the difference between where the missile is and where it isn't. If variation is considered to be a significant factor, it, too, may be corrected by the GEA. However, the missile must also know where it was. The missile guidance computer scenario works as follows: because a variation has modified some of the information the missile has obtained, it is not sure just where it is, however it is sure where it isn't, within reason, and it knows where it was. It now subtracts where it should be from where it wasn't, or vice versa. And by differentiating this from the algebraic sum of where it shouldn't be and where it was, it is able to obtain the deviation and its variation, which is called error.

Traveling at speeds faster than light IS literally time travel, you can't go faster than light without going back in time too, that's how relativity works, and that's one if not the main road block in FTL travel in real life physics. So you are right but not precisely for the reasons you think.

If you saw a planet explode, traveled faster than light to another star system and then returned to the first planet, it still wouldn't have exploded.
If you were able to teleport instantly from Earth to a place 1Ly away, you would have traveled 1 year into the past, if you returned to Earth you would have traveled 2 years into the past. Hence paradoxes etc and why it's said FTL is just impossible.

Bros, don't mess with time travel.
I stuck my right hand out the window of a moving time machine and this is what it looks like now.

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Sweety einstein said it's possible

That's not time travel, that's moving faster than light.
If I send you a post card and then travel to your house faster than the mail and I say "you're going to get a postcard from me tomorrow morning", that doesn't mean I'm from the future.

However, by moving at relativistic speeds, you can travel into the future. You could leave earth at 99.9% the speed of light, travel in a big loop, and if you spent a year in space you could come back to find that 100 years has passed on earth. (or something like that, I don't know the exact ratio).

I know you're joking but I genuinely feel bad for scientists because hollywood turned their entire profession into a meme word salad.

>Traveling at speeds faster than light IS literally time travel
>That's not time travel, that's moving faster than light.

The duality of man.

The worst type of time travel is the time loop shit

D:

It is.
physicsmatt.com/blog/2016/8/25/why-ftl-implies-time-travel
Penrose diagrams are fun because you can calculate this stuff yourself.

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I still believe it's not possible to replicate the exact same thing twice. We're drawn to symmetry, because it's impossible. But if everything is unique, that means we're a whole and everything is static.

A sphere is seen as perfection.

Time travel in back to the future makes sense, the machine destroys the universe and then makes a new one.

What event?

Quantum physics are not deterministic, that alone makes it probably impossible for the same events to repeat exactly the same way

It does in dragon ball z

Every movie and story involves time travel unless it all takes place in an instant (name one that does this).

You can move forward in time but not back.

According to my calculations this is incorrect.

>Space isn't a physical force, it's a human fancy. If you were to actually travel anywhere, you would have to move the entire universe. The amount of power it would take is beyond insane

FTL is also impossible even if you could travel faster it would cause the same time-space paradox presented by backward time travel.

t. scientist

If you go back in time and kill your own grandfather, it doesn't do anything. It's as if you edited the middle of a video, it doesn't change the end. Get dunked on scientists.

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In English, Doc!

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If I had the greatest telescope ever invented and I could teleport anywhere, I would go to a planet 100,000,000,000 light-years away. Then I would look at earth and see dinosaurs. Then I would teleport to a spot 76 light years from earth and watch as the holocaust doesn't happen.

Still think that japs writers do it better, like Steins;Gate, Madoka Magica or 13 Sentinels. I dont care how the characters build the machine or how they got their powers what matters is does it work with the rules that fictional world established earlier, how the drama and character relations evolves and it shouldnt get too convoluted. If the concept of unrealistic shit like time travel doesnt speak to you because everything has to "make sense" in your Kinos then simply dont watch Sci fi shit since I imagine you would find more to complain.

They warp space to do that. It's not the same as traveling at light speed.

>The universe is expanding
>The universe is shrinking
>It's getting hotter
>It's getting colder
Honestly.

You’re time travelling forward in time right this instant

Sitting on my ass, no less. Ain't nature grand?

t. brainlet

Was science fiction ever good or was it always brainlet candy? I swear when I was a kid it was kino for the thinking man.

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It's good when at least it makes an effort to make sense/be realistic, imo

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correct
infinite universe is dumber than time travel
observed time dilation between relative frames is not time travel, wormholes are scifi.
utterly moronic post
fine
wrong and dumb
correct but use of 'relativistic' is lame.
scientists embezzel orders of magnitude more money than hollywood evey has for pointless retardation like quantum computers and the lhc you should never feel bad for them. at least hollywood films maybe a handful of people enjoy it for 5 minutes is an enormously much larger benefit to humanity. you know they still pretend that looking at ants in space has any benefit. they still do it!
diagram-brained (retarded)
>i understand quantum physics (lol)
interesting postulation.
wrong.
based.

It's kino when you watch/read the right stuff.

good science fiction has only ever been kino for one reason which is that it allows for oveer simplistic allegory of issues faced by humanity without the disgusting imagery of reality.
that is why tng is the prime/peak trek and everything else is garbage (tos ocassionally tried but was more about adventure.)
read some classic spec. fiction short stories from the 60-early 80s and understand humanity.

>that it allows for oveer simplistic allegory of issues faced by humanity without the disgusting imagery of reality.
You also have to realise that the aesthetics of realism are as fake as the aesthetics of sci-fi. There's a reason why if you go back in time a lot of the shit they made was fantastical, it's because those things are a dramatic device, but realism is an aesthetic one.

They once legitimately tried harder but it's now devolved into buzzword bullshit like this and you are suppose to just believe it because of some fancy jargon.

The LOST time travel still confuses me. How did Sayid not recognize Ben in s2 when they met in the 70s

The best science fiction is in books, Hollywood can't into it.

Anybody who had complete knowledge of our universe could do anything to it. It would be like a sandbox game.

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>he calls it a mini-verse
>what_a_hack.jpg

>infinite universes
>travel to other universes instead of traveling to the one where the problem doesn't exist and just live there
It's an infinitely dumb idea desu

Because he hadn't met him yet. Linear flow. Sayid's timeline happens in that order.

>CTRL+F Primer
>No matches
What happened to this shithole board?

My personal theory is that the speed of light limits how fast the universe can change/update, so you can't go back 20 years in time any faster than 20 years, because that would require moving faster than light. However, because the universe is moving forward at the speed light, the best you can do is move at C, so C-C=0

ie, trying to travel up a river at the same speed as the water, or running up a down escalator, you can only slow or stop your movement forward (ie, fast moving objects or objects in gravitational fields experience time slower, but never reversed), maybe going fast enough to be perfectly still is like absolute zero, the universe bugs out if that happens so you can never reach it, or maybe its just like trying to reach C, requires infinite mass as you approach it

idk i stopped doing science in highschool and regret it