J. Richard Gott III - Is Time Travel Possible?
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- Опубліковано 22 лип 2024
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Some scientists take time travel seriously. Should you? What does time travel reveal about the nature of space and time? What about the laws of physics under extreme conditions? And don't forget those 'Grandfather Paradoxes', where a time traveler kills his own ancestor.
Watch more interviews with J. Richard Gott III: bit.ly/2mrEgm8
Watch more interviews on time travel: bit.ly/2lYeLbO
Props for the many props!
He was well-prepared with those helpful physical visual aids he pulled out as needed.
Thank you for sharing this video it was a very interesting topic. I have read one of his books. ❤
Please can this guy travel back in time be my dad. Please bring all the toys.
Leon Willett what?
To go into the past would involve the time travelling matter to meet itself or, in other words, duplicate. To see myself in the past is theoretically conceivable, but to physically meet myself, is another matter.
If you meet yourself that would mean that you met yourself before you left? So once you find yourself why do you ever have to leave yourself?
I don’t want to travel anywhere I want to be able to see and know the different outcomings if I were to do it or see the alternative realities somehow like a device to show us different realities of our lives like if we made this decision or did this like let’s say we bought ice cream in one timeline and the other we bought something else or did something else like how does that effect our future
Great idea
That all sounds great. Can you slice bread with it?
This is going to take a few replays. This is what I get for growing impatient at times when occasionally Joe Rogan has a hard time comprehending/visualizing certain theoretical concepts.
I agree
lol
Excellent comment. Cheers.
I would believe that a time traveler (especially to the past) exists if : he is not trapped in time, his existence is eternal and he has all the knowledge of the universe (from the beginning until the end), he has no business at all, except to see and enjoy everything that happens. Even though I know it's very impossible, but sometimes I wish that I could go back in time and make all decisions more calmly, courageously, honestly and with gratitude for everything I have, love others and respect myself more.
is time travel to past future really possible and how i want ti do i am from india please help me out
In order to travel into the past, how would you ensure you navigate back to this earth and not a different earth in another multiverse?
I used to have shoelaces like those strings...damn things kept going back to before I had shoes and lacing up my toes 😂
wouldn't travelling 500 light yrs take 500 yrs for this hypothetical space journey for the person in this rocket just to get just halfway?
Obviously, l must be wrong abt this. So travelling at that speed that must make you travel a light yr in a fraction of a yr in your reference frame then right?
Can someone also pls tell me then the exaxt amount of time it would take in the spaceman’s time reference to travel 1 single light yr ????
There is NO time-travel,
time is the effect, of 'the travel'.
I've never seen those strings before! I wonder where he found them. And more importantly when did he find them: was it tomorrow?
Im turning this video off if it mentions the grandfather paradox
You failed your mission before you even went because you’re alive it’s not even a paradox it’s people not understanding nonlinear time
Not mentioning the grandfather paradox does not solve the grandfather paradox.
@@djgroopz4952 agreed.
The law of paradox prevents traveling back in time on a physical level. However on an observation level is possible. Now traveling to the future is possible on a physical level by perception.
What paradox? That’s not true
EggHeadUSA : Key thing to remember about time is that time is relative to the event. Meaning that if you never visit yourself, then you never will.
Morally Insane How is that a paradox dumbass
EggHeadUSA : The law of Paradox is when attempting to travel backwards in time in your own dimension, the very attempt would cause a paradox. This is cause by an increase in energy, dark energy to achieve the speed needed to catch up to the event in question and then slowing down to catch the event would cause such a release of energy that it would destroy space time. That destruction is the paradox. Only time this does not happen is in a natural event, but that natural even is still recorded in time space, and as time space catches up to event it explains occurrence, example would be a temporal loop. Please disprove my logic, always willing to learn from my mistakes, do you have a better explanation?
Morally Insane time is speed so going faster would do the opposite, what you describe is something out of tv if time travel is possible it would have to be a wormhole and one end would already have to be open in the past to go back. I don’t see a paradox as well
there was once a full time documentary with him... anyone know the title!?
Its called, One Flew Over the Coocoo's Nest.
What I think Professor Gott III is showing us will undoubtedly be interesting for the lucky generation of physicists of the future who finally crack the code and get to travel through time. One has to wonder what this is going to be like. Because our vision of the future will certainly only show what we think it will be, but probably the first travellers who venture into the future will experience a world that is much less interesting than we can imagine it to be. Why do I say that? Well, just imagine what life was like in the 1950s in your country. I think a lot of people would agree it was a mini-golden age in America. But if someone from the 50s came to our time, I wonder what they would think of how things have evolved.
Did everyone understand this ? ....Good !
We need to actually define what constitutes a time travel to past. In his examples, if I understand correctly, he will outrun the speed of light, then look at the delayed light (which followed another path) and see himself leaving. This is not time travel, it is just watching a video of an event that happened in past. If this is time travel, then we invented a time machine long time ago. It is called a video or a photo camera.
A magnifying lens in which a beam of firing plasma passes thru-it can create a hollow portal that will allow one to travel thru time. The stronger the energy used to speed up the mechanism, the longer & farther it will reach. Just like pointing a laser light thru a negative film into the wall to create virtualization.
How does that warp time and how do you know this?
A positively strong conciousness launched sharply by firing speed of plasma thru mirror lens will warp time.
ActionManny you’re just making shit up with no evidence behind it, it’s like me saying (Flushing the the toilet teleports my turd to the 4th dimension)
The laws of physics in this universe allow time travel using infinitely long cosmic strings, wormholes, or blackholes...but our bodies and thus our minds *will not* stand the test of time (pun intended). 💕 ☮ 🌎 🌌
Hmmmm, what is the point of trying to move the future or the past, physically, when its much easier to evolve as a species in your awareness of who you are as God the Sun ,giving you the ability to have expanded awareness of multiple time lines of your physical incarnations, at the same time allowing you to exercise freewill......in knowing each moment of now. Because thats what time really is it a conscious moment of now, of slow moving Light!!!
Omfg. I completely agree
The time is now
You can't travel in time, but time can travel in you.
I have done time Travel in future , Really I have many experiences of Time Travel in future, it's not a hypothetical... If you interested in me then I will be share my experience and secret of time travel...
ok, so what I need to travel in time is two pieces of string and a piece of paper...
lol
If you change your past or do some thing differently or change something does that mean certain things will change and certain things in your future will be changed for the better or worse. Imagine I travelled to a different reality or dimension that seems a little more interesting to me.
You can’t change the past because it’s was already done like seeing in the future you know what’s going happen
Check out the Novikov consistency principle. It assumes certain conditions about what sort of time travel is possible. It assumes either that there is only one timeline, or that any alternative timelines (such as those postulated by the many-worlds interpretation of quantum mechanics) are not accessible. It was featured in one of the Discovery documentaries, if I remember the name of the TV channel correctly.
Sounds good Richard now do lt.
Get a few pieces of paper with strings attached :)
this shit is ridiculous..all i hear them saying when talking about this shit has to do with outrunning light....sure i could in theory outrun the light coming from myself, turn around and get back before the light had time to disembark but i'm only going to see an image of myself....it wouldn't actually be me...
🤔
To really answer this question, one must ascertain if the past and future even exist. And I don't think anyone actually knows the answer to this. There is an ideology called "presentism", and the presentists believe that the past no longer exists, that it has been destroyed, and all that exists is an everpresent now. And they say they "know" this is how it is, of course that doesn't mean anything, there are also enough individuals that say that they KNOW that Jesus is coming back, you should doubt anyone that claims to KNOW something that can't be verified.
That's what we need to do though, we need to establish whether the past still exists, if it is accessible somehow. Though maybe the only way to confirm that it does, is to go back in time. I'm inclined to think that it is possible, but very, very difficult. Consider this..... if time travel was EASY, I would expect the whole universe to have been colonized, by some civilization. They could literally expand infinitely in a finite time, so all it would take would be ONE such civilization developing such a capability, at any point in time, at any place in the probably infinitely large universe, that was able to and intent on colonizing the universe and had developed time travel, and they could do it. Yet the Fermi paradox suggests that nowhere in the universe did this happen, because you look out, and you DON'T see that every planet in the universe is colonized, that the universe is NOT frothing with advanced civilizations, and in fact they are nowhere to be found. I would expect if warp travel was ever developed by anyone, or time travel (the 2 of these go hand in hand, if you can do one, you can do the other), that there would BE no uninhabited planets in the universe. Which either means the universe is finitely large, or that it's actually IMPOSSIBLE.... or possibly that it's only possible in certain places. The only way to find out though, isn't with universal anthropic logic nonsense, but to perform experiments. Such as the delayed quantum eraser experiment. Or to actually GO to a rapidly rotating black hole and see what happens if you follow paths around it in the opposite direction that it's rotating, that the math says would result in closed timelike curves. I understand that's one way to do it, since the ergosphere pushes things around it faster than the speed of light. Another way would be this man's proposed figure 8's around 2 cosmic strings that are whipping past each other. But cosmic strings, you're not likely to find any in an infinite universe. Because each one removes a 1/200000 pieslice out of the universe, the entire universe. This suggests that there can't be more than 200 thousand cosmic strings of the infinitely long variety anywhere in the universe. So if there are only say 100 thousand cosmic strings anywhere in the universe, and the universe is infinitely large, I don't think you're going to find any, as all of them would statistically have to be an infinite distance away. I read his book some decades ago, this guy found the first solution in general relativity that didn't require a rotational cosmological constant component, or negative mass, that allowed for backward time travel, that's his 2 cosmic strings scenario.
Maybe the past is eaten by Langoliers.
Your way of thinking is very methodical (Very well thought out) Yes it is possible to travel through time It just hasn't been made public yet But pretty soon it will But if they let us know about it We'll we will have to find out When the news comes out And he announcement is made But we will have to wait and see (It's Oct. 4, 2019 , Friday , 8:42 PM)
Man I’m dumb because I have no clue what he’s talking about 😆
The more he explained, the more I felt like a door knob 🙈
no we ok...
ms Kaye Actually it's the other way around. They are the ones getting dumber.
The whole idea of time travel paradoxes is overrated because if we went back to anytime that in itself would be a paradox that's assuming we would be travelling in the same universe because we wasn't there in the first place but if we time traveled into the past here is how it would work we would also have to travel into a alternate universe that's a 99.9 % copy of our universe only difference you is you travelled there. If you wanna find out more check out Marshall Barnes.
We could travel back to the past in our own universes but we’d have to have already been there. We’d need to play out a predetermined fate.
This still doesn't tell me how I can go back to kill my grandfather, as I've been planning to do.
Atomized in 999.99 of a second at that speed.
it's a great thought to be able to time travel and you can in a sense if you travel fast enough then earth will age faster than you will and what boggles my mind is Einstein knew this over 100 years ago and understand light speed in horse and buggy age????? explain that one. My thinking is that to travel to the past would not be possible as that has happened and will not keep replaying it'self.
in 1974, while stationed at keesler afb, I was shown a civilian car illegally parked in the motor-pool, this cat had va tags from 1993 and a 7-92 inspection sticker, this car later proved to be a 1985 renault encore I bought in 1986 and was from the year 1991 with 2 year tags,
Maybe you should get a negative parking ticket if you leave your car from the future in the past.
@@Giant_Meteor well, I was not in control of the car at the time, so,
How is this not Snake Oil? I want the Math.
Sure, look up the Einstein field equations.
This is in reply to the advice to just to look at Einstein's equations: Physicists know that not all solutions of mathematical equations are applicable to our reality. In the end, only experiments and/or observations can prove or disprove a theory.
Well if your dad goes ten years out and turns around and comes back then you will be old and you kinda get to go back in time by seeing your dad as a young man:)
met a guy Paul Griswold he became one with me so I would die if a brainbleed they hypnotized me when I was on drugs I forgot who I was and they destroyed my memories they are all guilty here but the worst people are meikey psychomeiko from Gaia s platform and Paul boss my parents nico de graaff and saskia agterhof . my brother fake his autism he destroyed my childhood they destroyed me life was horrible and difficult for me they are super mean.....
So I finally figured out what is happening to me they fucking played me so I wouldn't remember how things work in life and couldn't care for myself anymore. My energy dropped out of my body and everybody was playing confusing songs for me on the tv and etc. Saying we wun we caught a big fish. Is not ok. Now everybody is bullying me to death they are up my memories and I'm not in any state to recover. They are all my memories people are evil all I did was good and they played me to the beat the fuckers murderd me and made a gigantic trip out of it everybody reading my mind and playing me. Putting thoughts in my head. They made me forgot how to close and protect myself from people their voices they ate all my fruits please solve this for me take revenge or fibs wreak purple like you and protect each other please please please help me adopt memaybe please help me. heyyou need to help me anymore every body bullies me to tired they kicked me out I'm stuck in between people their announces so I need this time machine I only have two years left to live if my memories wont restore and or someone adopt me to help me
Tictac drones giggle at his Theories...ROFL
What happens in a black hole, stays in a black hole.
If you are from the future let me know tomorrow’s winning numbers.
Time travel will be made public in 2028. It is now in gov'tal control. I see the time travel strings already.
Not at this time.
But don't you see, if it was to be possible some time in the future, there should be tourists arriving from the future, using their time machines to get now.
@@medexamtoolsdotcom Maybe they are. They're just very discreet.
What bothers me about this video, is that what's on the paper is extremely hard to visualise from a remotely practical standpoint regarding space-time. Especially the wormhole example, where time to the future can end up wrapping round to the past. *How* does it do it? If I sit here, I'm travelling into the future at a speed of one second per second. What would cause me to end up back where I started? In his prior example, by what means is his outrunning light in terms of being in space? Is he using a warp drive like in Star Trek? It's easy draw this stuff on paper, but that means nothing in terms of practicality.
No. What they're talking about isn't time travel at all, it's change happening at different rates under different conditions. This is a nonsense question.
Bring the money and meet at “our” bridge and I will deliver the goods. Leave your phone at home. That way the FBI and homeland security won’t know what bridge.
Magnifying stupidity by time traveling...very efficient.
So to go back to the past i just go to sals pizza and grab a slice then im eating yesterdays lunch
Mankind on his own cannot time travel. This is where the GOD Equation comes to light. GOD carried me outside of our universe in a moment of time. I saw the very instant our universe was made...
How someone who doesn't understand time can talk about time travel is yet another mystery.
Agreed
Time travel to the future is clearly possible, to the past is not. If it was we would see evidence of it everywhere
Not if timetravel makes time split
I don't understand. The faster you move, the faster time goes by, yet somehow if you travel faster than the speed of light than the opposite occurs? Makes zero sense.
The faster you move, time moves slower, not faster.
@@golden-63 No, the faster you move the faster time goes by relative to you. If you move at close to the speed of light, than for every year you age, the universe ages a thousand. Why would the universe suddeny go backwards in time if you move past the speed of light. That's logically inconsistent.
If you reach the speed of light, time stops for you. Go any faster and it follows that time goes backwards. It is logically consistent.
@@gilgamesh310 yes
@@golden-63 No. It's like you people don't even understand the basics. Listen to what is being said. If you move at 99.95% of the speed of light, than for every 1 year you age, the universe ages 100 years. If you move at a fraction of the speed of light, than you're in a statis of almost not aging anymore, but the universe around you still is. For every second you age, the universe would age a million, or a billion years, you'd literally travel to the end of times in a minute. If you travel at beyond the speed of light YOU'D age backwards, so you'll reach the end of times as a younger you. Yay? At no point is the universe going backwards in time, on the contrary, from the perspective of the entity moving at or beyond the speed of light, the universe ages to the end of times in the blink of an eye.