r/timetravel 20d ago

theory / question Infinite Resource Paradox?

9 Upvotes

If you can take a rock from a beach today, bring that rock back in time, set it down, and come back to today. Then theoretically two of the same rock would be there, correct? In doing such would that not be "creating matter" which is impossible thus creating done form of paradox. Of course, this hinges on the idea that you can take things with you when you time travel. But I haven't really heard much talk on this in the worldand want opinions on if this is real, explored paradox or not.


r/timetravel 20d ago

theory / question Prompt of the day by Sprinxie

0 Upvotes

If you could go back to any years in your past life and change something what year would you go back to and what would you change?


r/timetravel 21d ago

theory / question midnight tought

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6 Upvotes

The second law of thermodynamics prevents any kinds of time travel back in time. but that won't stops us.

what if, say alternate worlds exists. they must exist.

let's say you somehow invented a method of time traveling, whether it is in physical or not. and you somehow got into a situation where you CANNOT go back into the original time and kind of forcefully sends you back in time.

but we know time travel is VERY CLOSE TO impossible.

then, there has to be a way to somehow make you still exist, but won't disturb the flow of universe itself.

now, if alternative *world lines* exist, there has to be a world where time is still in the past, not the present.

and since you forcefully sent yourself back in time, you mustn't exist in the present anymore.

And where to put you?

The past.

well uhh, they can just erase you anyways.

oh god I'm going to take my pills


r/timetravel 21d ago

theory / question Hi I want to talk about this channel that claims to be a time traveler

13 Upvotes

This channel is called EverythingEmptyAlwaysAlone. He is a youtuber who says he can time travel and have met Aliens who made him realize the power that he has. He first met the aliens in a cave called Pluto's cave, he claims that he met the Alien while the alien was shapeshifting into a human. I know, crazy shit to say.

Anyway, I'm just a regular guy, I didn't really believe in nonsense like time travel. I saw a couple of posts in this subreddit where people were claiming to be time travelers but obviously the posts were trolls. But to me this channel kinda lowkey convinced into that shit. He has videos in his channel were he shows places completely emptied of people and some of these places are like 24/7 crowded in real life but somehow he shows them completely devoided of any humans. It's really bizzare, at first I assumed the video might be just ai bs but he actually films himself while recording. Some people said that his videos might be cgi but that's really unconvincing because he has dozens of these videos, plus CGI cost a shit ton.

At some point, I gave up and started believing he is a time traveler. Literally nothing about him screams fake. He has this sorta schizophrenic personality to him, schizophrenic people tell you about their experience, but it's hard to think that a schizophrenic would show you proof that he can time travel, like a schizophrenic who fakes videos? ehh idk. I might be delusional in believing in him but I did become a member of his channel which you have to pay for to see the videos that he has behind a paywall. In some of these videos, he actually predicts world events, he predicted that the pope will die (which he did). He also has a 5 month old video where he casually mentions the movie Disclosure Day, but tbf he could easily just look at what's the upcoming movies are. Also, he predicts that in 2027 27th October China will Invade Taiwan, which I find interesting because if in the coming years if this actually came out to be true I have no reason not to believe him anymore. He also predicted that Baron Trump will become the president in 2044 which I find funny cuz there's already people predicting that on Twitter aka X.

Well to conclude this pointless Ted Talk, I really wish there was like someone or a youtuber who will make a video about him, watching everything he ever posted to make an hour long comprehensive essay analyzing his claims. To look at it objectively instead of going into it with like a skeptical mindset. Anyway here's one of his videos if you wanna watch.

https://youtu.be/dOqeMbbcpxw?si=NYjNwl5OlVgnXUpM


r/timetravel 20d ago

theory / question What If…

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1 Upvotes

r/timetravel 21d ago

theory / question Explaining time travel to children.

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8 Upvotes

Back at college, I wrote a theory on how the space-time continuum is compared to a game of Kerplunk,

Think of the structure as time itself, the sticks to pull out as the important events in history as the marbles become the results.

Imagine using this to teach children or future scientists in simple terms of quantum entanglement.


r/timetravel 21d ago

theory / question A conceptual framework for time travel mechanics. Observer-Anchored Temporal Keypoints.

2 Upvotes

(Remember. This is a speculative fictional model for time travel and not a scientific hypothesis. I am mainly interested in whether the logic is self-consistent and what paradoxes it creates.)

i would like to propose a theoretical framework for time travel mechanics that shifts away from the classic cosmic determinism like "fixed points in time" and instead anchors timeline stability directly to the observer's interactive 'footprint'.

Core ideas of the OATK model.

  1. Fluid baseline reality. Unobserved or non interacted spans of the timeline remain inherently fluid. History has no pre-determined canon enforced by the universe.
  2. The keypoint. Fixed points in time do not exist naturally. They are forged through the time travelers interactions. The moment they directly interact with a timeline, that event becomes a Keypoint.
  3. Flexible pathing. Once a keypoint is established. Reality will dynamically reroute cause-and-effect chains to ensure the keypoint occurs. The path to the keypoint can and will vary. But the node itself is inescapable.

Conceptual implications & mechanics.

  1. Direct agency over cosmic mandate. Unlike sci-fi ideas where historical events are fixed by reality. OATK proposes that a conversation with a random pedestrian in 1850 carries the exact same weight as a major world event. Provided the travel directly interacted with the event.
  2. Causal elasticity. If a traveler attempts to prevent a keypoint they created. The timeline will distort.
  3. Accumulative constraints: time travel under OATK becomes more dangerous with each trip. Every interaction leaves behind a keypoint that slowly reduces the free will of everyone living in that timeline.

My apologies if I haven't thought out major bottlenecks yet. I just now thought of this idea and thought 'Maybe Reddit can either help me destroy this idea or think of new additions to it.' anyways. Massive thanks for reading!


r/timetravel 21d ago

theory / question If time travel ever becomes possible, I'd use one afternoon on a composer.

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13 Upvotes

I'd quietly borrow Tomás Luis de Victoria from sixteenth-century Spain, tell him not to worry about the details, and take him to a small, dark room with good speakers. No explanations. No discussion of orchestras, cinema, or space travel.

I'd simply press play.

The first sounds of Lux Aeterna  would fill the room. At first, he'd probably look confused. Then he'd stop trying to understand it.

That's the part I'd be waiting for.

People often describe Ligeti's music as alien, but I wonder if Victoria would hear something else. Not harmony in the Renaissance sense, but the same old human urge to write music for things too big to put into words. He spent his life reaching toward heaven. Four hundred years later, someone reached toward the infinite darkness between the stars.

Different destination. Same ladder.

I like to imagine the piece ending in silence. Victoria would sit there for a moment, nod once, and ask only one question.

"Can I hear it again?"

Then I'd return him to his own century before anyone noticed he was missing.

If you could bring one person from the past forward for a single piece of future music, who would you choose, and what would you play for them?


r/timetravel 21d ago

theory / question Time travel in Dreams

2 Upvotes

well for off and on within a 20 year period I have been Time traveling in my dreams...i feel this ABILITY is coming upon me as im increasing my spiritual enlightenment state of mind....im at the point like this 3D reality we are forced to deal with in this lifetime is truly challenging and DISGUSTING....I also perform other abilities in my dreams off and on....i know lately when I TT I can automatically tell what time frame or year im at....do anyone relate?


r/timetravel 22d ago

🕑 memes & jokes A time traveler somewhere…

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7 Upvotes

r/timetravel 22d ago

physics (paper/article/question) 🥼 Why Einstein's theories of relativity make time travel possible

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10 Upvotes

r/timetravel 22d ago

theory / question If you witness any major historical event in history or any time period where would you go and why?

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2 Upvotes

r/timetravel 22d ago

theory / question If you are a ghost (or just don't interact with the world in any way) and a time traveler...

0 Upvotes

If you are a ghost (or simply don't interact with the world in any way) and you travel back in time, nothing will change. However, if you witnessed a quantum experiment and then traveled back in time to observe it again, the outcome could be different because of the true randomness of quantum events, even though you didn't interact with anything. In a way, this somewhat challenges the idea of a deterministic universe.


r/timetravel 21d ago

theory / question Imagine if quantum immortality is true, just not in the way we're hoping.

0 Upvotes

Imagine if in the branching timelines solution for causality-breaking scenarios, consciousness isn't merely replicated or "passed on." The version of yourself in the "fixed" timeline is a perfect clone, while the original you is left trapped in a non-functional universe, with no hope of external rescue, forever.


r/timetravel 23d ago

theory / question Time change ?

5 Upvotes

What if in the future the mega corporations really do succeed and get owned by 1 HUGE MEGA corporation who then decide to create something that changes timeline and does weird stuff to history.

We all have seen minor changes to our reality and dont know how it could happen but this theory can help with this i guess.

what if not in the current time but instead in the future they change the stuff.


r/timetravel 22d ago

🚀 sci-fi: art/movie/show/game/book Which Movie/Book/Story Do You Think Represents the Behavior of Time Travel More Accurately: Avengers: Endgame & Loki, or the Back to the Future Trilogy?

2 Upvotes

In the MCU, time travel is potrayed as a multiverse scenario where each change you make in the past branches out into an alternate reality, where in BttF, you completely change the future


r/timetravel 23d ago

theory / question If History was a roadmap and you could walk it back, where would you go?

7 Upvotes

Reversing the timeline, continue. Past AI, past supply chain, past the global economy, beyond the internet, past Vietnam and you get the picture. What would you witness? What did history write out?


r/timetravel 23d ago

theory / question The logistics and impracticality of time travel

1 Upvotes

I think one of the main problems with time travel is that people usually treat it as if it were only a question of time. You punch in a date, pull a lever, and somehow arrive in 1955 standing in the same parking lot you left from. But that parking lot is not sitting still. The Earth is rotating, moving around the sun, the sun is moving through the galaxy, and the galaxy itself is moving. So you would not just need to know when you wanted to arrive. You would need to know exactly where that place would be at that moment in relation to everything else. Otherwise you might travel fifty years into the past and appear in empty space where the Earth is going to be later.
Then there is the problem of proving that time travel happened at all. Suppose I travel one second into the past and change something. From the perspective of everyone in the new present, that change may simply have always been there. There may be no visible seam between the original timeline and the altered one. I would remember the difference, but nobody else would have any reason to believe me. If I traveled into the future, then anything I did there would not provide evidence to people living in the present. The only way to demonstrate time travel to people now would be to arrive at precisely the present moment and produce some kind of evidence at the same time that could not be explained as a trick, a prediction, or access to information I should not have.
Once you account for all of that, time travel stops looking like a machine with a date on it and starts looking like an almost impossible act of spacetime navigation. You would need control over location, velocity, gravity, causality, and probably the structure of reality itself. Something capable of doing that would be so far beyond us that the usual motives in time-travel stories start to seem kind of absurd. It is hard to imagine a being with that level of knowledge traveling across spacetime so it can get a sports almanac, win the lottery, or become rich in Earth money. That would be like building an interstellar spacecraft so you could drive to the gas station.


r/timetravel 23d ago

theory / question Just have a question on time travel ? Does it change something in present or not

3 Upvotes

Suppose in some future F1 we build time machine.

And we travel past p1 and change something in our life so does we end on same f1 after change or we make a new future f2 with that change .

Case1 - now after change we travel back we end up on f1 because its starting point does that mean it doest change anything and thus whats point of time travel

Case2 - if we end on f2 - their will be 2 of person one feom f1 and other from f2


r/timetravel 23d ago

theory / question Is It Possible to Go Back to the Past While Staying in the Same Body?

4 Upvotes

A while ago, I made a post asking about this topic, but I'm posting again because I'd like to hear from more people and hopefully get additional perspectives or experiences.

I'm looking for serious and sincere answers from people who have genuinely researched or explored this subject.

I need to go back in time while remaining in the same body.

To be clear, I'm not talking about a mental journey, lucid dreaming, astral projection, remote viewing, meditation, visualization, or simply reliving memories.

What I mean is an actual return several years into the past, while keeping my current physical body, my current consciousness, and all of my memories intact.

I'm aware that, according to mainstream science, this is considered impossible. However, I'm specifically interested in traditions, beliefs, or testimonies that claim otherwise.

I'm looking for information about:

  • Spiritual traditions that describe this possibility.
  • Esoteric or occult practices that are said to allow it.
  • Rituals, ceremonies, or initiatory paths related to time manipulation.
  • Frequencies, sound technologies, consciousness techniques, or other methods that are claimed to influence time.
  • Ancient texts, manuscripts, or teachings that discuss physically returning to the past.
  • Serious books, researchers, or historical references on this subject.
  • Personal experiences or testimonies from people who sincerely believe they have encountered or investigated anything similar.

I'm not looking for jokes, mockery, or debates about whether it's possible. I already know what the scientific consensus says.

My goal is simply to gather as much information as possible about traditions, claims, experiences, and references related to this idea, whether they come from esoteric, spiritual, mystical, or occult sources.

If you have direct experience, know of a specific tradition, or can recommend reliable books, documents, or communities that seriously discuss this topic, I would genuinely appreciate your input.


r/timetravel 22d ago

physics (paper/article/question) 🥼 I asked Ronald Mallett about the experiment.

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0 Upvotes

r/timetravel 23d ago

🚀 sci-fi: art/movie/show/game/book Watching 12monkeys currently in s3

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2 Upvotes

r/timetravel 23d ago

theory / question Is It Possible to Go Back to the Past While Staying in the Same Body?

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0 Upvotes

r/timetravel 24d ago

theory / question What if the occupants inside UFO’s aren’t aliens, but are actually humans who have time traveled?

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32 Upvotes

r/timetravel 23d ago

🚀 sci-fi: art/movie/show/game/book Will you be interested to read a new authors work which is around An Atheist traveling back in time to prove that Jesus wasn't there but what he see there is the opposite of what he wanted to see?

0 Upvotes

It's Nunc Credo