[ 3 / biz / cgl / ck / diy / fa / ic / jp / lit / sci / vr / vt ] [ index / top / reports ] [ become a patron ] [ status ]
2023-11: Warosu is now out of extended maintenance.

/sci/ - Science & Math

View post   
File: 18 KB, 511x288, images (12).jpg [View same] [iqdb] [saucenao] [google]
8856187 No.8856187 [Reply] [Original]

Is time travel possible? Like going back in forth in time? And if it is possible, can we prove that parallel universes exist?

>> No.8856194

We're already "time travelling" and your questions are stupid

Time travel is shit anyway, get over it

>> No.8856211

Why is my questions stupid?

>> No.8856232

Time travel, as in 'going back in time', is not possible. You can only go slower or faster relative to some other place in the universe. Gravity slows down time but it can't be reversed.

Going 'to the future' is possible but you'd have to orbit a black hole or something massive.

If we'd be able to create enough gravity on Earth to create 'time booths' to go to the future, I think we'd offset the orbit of Earth. But I haven't done the math on that though

>> No.8856241
File: 71 KB, 550x594, timetravel16_07.jpg [View same] [iqdb] [saucenao] [google]
8856241

Here's a picture of a "time machine" that supposedly "works". Obviously I got it from this (John Titor if you're interested) http://www.bibliotecapleyades.net/ciencia/time_travel/johntitor03.htm so can you guys explain to me if this machine of his can work or why it cant work?

>> No.8856253

>>8856241
Bill Nye was asked about John Titor.
http://bigthink.com/videos/bill-nye-explains-if-time-travel-is-possible

I'm guessing you already seen this though.

>> No.8856282

>>8856253
Well that didnt help me at all, because this "John Titor" is claiming he lives in another world line or something like that, so that means his worldline has a different future than our worldline soooooooooo yea.....maybe im stupid i dunno rofl

>> No.8856291

>>8856241
If his machine worked than he himself could have explained how it worked at the time he claimed to be from the future. It would have been the ultimate proof.
He could have also shown us the machine in action, maybe go back a few minutes just like in 'Back to the Future'.

All this didn't happen so it seems to be he's absolutely full of shit.

John Titor aside... The only way we know how to warp time currently is by creating gravity.
But one, we don't know how to create gravity and two, it could only slow down time and not reverse it.

>> No.8856293

>>8856291
Correction: They wen't a short time into the future in Back to the Future as a demonstration, not to the past.

>> No.8856298

>>8856291
He did explain how it worked tho.....he even provided pictures

>> No.8856305

Can someone explain to me why 'John Titor' is regarded as one of the more 'credible' time travelers, compared to say your average /x/ LARPer?

>> No.8856309

>>8856305
Because someone made and anime about it with a tranny.

>> No.8856314

>>8856305
Well I dunno, its probably because he gave pictures and explained how his time machine worked....if you guys are interested theres a couple of links in the net that has his "chats"

Anyway heres a link http://www.bibliotecapleyades.net/ciencia/time_travel/johntitor03.htm

>> No.8856316

>>8856187
We don't even know if time is a thing.

Besides, wouldn't time traveling mean decreasing entropy, which is impossible?

Just because the equations allow for it doesn't mean it's a valid domain.

>> No.8856318

>>8856298
>>8856314
Photo manipulation techniques existed long before Photoshop.

>> No.8856334

>>8856232
>it's not possible

It is possible but we have no idea how. Think time as a one way physical dimension and you will get the idea. Many claim that it is impossible because it would hurt causality and create paradoxons. However if the world is superdetermined, which is equally plausible as undeterminism, that's not an issue.

>> No.8856343

>>8856318
Why go through all the trouble of editing it and just post it in some shitty chat room?

>> No.8856350

>>8856187
If you go back to your own unique history how could you get back to the future you came from? You would have to have some device that could keep track of the temporal field lines to make sure you didn't go back tot he future along some divergent time line. Field lines constitute a flux and if you want to store them until you are ready to go back to your own future then you would need some kind of device like a capacitor... for flux.

>> No.8856435

>>8856334
>It is possible but we have no idea how.

This might be true if our model of the Universe is wrong, but as it stands, it violates the laws of physics.

>> No.8856442

We'll get virtual reality soon and we'll be able to create any world in it, past or future, as good as the real thing but without the actual risk so how does it matter really.

>> No.8856482

>>8856187
I never understood why people on this board flamed people that made these "time travel" posts, but after frequenting this board for a few years I am finally understanding.

These posts occur a few times a month and it's unlikely that you will gain anything that a Google search or a pop sci book won't give you.

You will get accused of being a faggot tho. I don't think you can get that anywhere else.

>> No.8856487

>>8856435
How?

>> No.8856514

>>8856316
>decreasing entropy, which is impossible

nah, all you need is a bit of energy

>> No.8856583

>>8856487
Violates causality

>> No.8856600

>>8856314
This makes conceptual sense doesn't even make any realistic sense. We would be seeing time travelers literally everywhere right now if it is a mass produced entertainment construct from 2036. And why would that even be a thing. You can't just give people the power to traverse time. That will fuck with the temporal relativity of our current universe's pace. You would get that dilemma of coming back in time, telling the world about time travel and then there is no year 2036.

>> No.8856601

>>8856583
No, if the world is superdetermined.

>> No.8856630
File: 461 KB, 1440x2560, Screenshot_2017-04-25-06-43-19.png [View same] [iqdb] [saucenao] [google]
8856630

>>8856314
Did these idiots actually waste 3 questions for a TIME TRAVELER on things nobody from even today would know. How would this have strengthened their defense? People at the time would know that, people in the future would not know that. Him not answering was the best answer to indicate he was a time traveler. They should have asked about what big events will happen in the next year and 5 years. Easily, john would have at least warned people about 9/11, right?

>> No.8856645

>>8856630
>taking that seriously

>> No.8856651

>>8856630
His contact with our timeline butterfly effected 9/11 into existence

>> No.8856665

>>8856187
Time travel in the future is easy to understand. But unless you create a new universe every time you travel backwards in time, you'd end up with the grandfather paradox.
>inb4 muh superposition crap
>implying that's even any different to having 2 universes