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Post by Dramatwist on Aug 15, 2018 21:53:32 GMT -5
...just had an animated discussion with Valerie about the possibility of time travel, based on my limited understanding of physics from reading Neil deGrasse Tyson, J. Richard Gott and Albert Einstein.
I do not recommend undertaking this discussion with your significant other.
Especially if you are unable to do the math.
We ended at "Star Trek."
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Post by Deleted on Aug 15, 2018 22:00:18 GMT -5
That would be great fun with all those young girls back in high school.
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Post by trailboss on Aug 15, 2018 22:05:03 GMT -5
If I could have a 24 hour window of time travel, that would be tough...
Garden of Eden would be cool, time of Christ... yes.
On a secular note, the founding fathers would be cool, as would the old west... Ok corral.
Glad I was born in this age though... tobacco is less of a luxury.
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Post by McWiggins on Aug 15, 2018 22:11:26 GMT -5
I’ve had this discussion at times with friends. It ends up being more of an interesting thought though as the writings of those you listed plus more including Stephen Hawking tend to lean towards its impossibility. I even once ended it with how it could never be possible because another Stephen (Stephen King) wrote about how the past and those who are lazy are eaten up by the Langoliers. As such, there is no past to go to and the future hasn’t been created. lol
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Post by Deleted on Aug 15, 2018 22:20:45 GMT -5
We time travel all the time. I drank a quart of Ouzo once and was transported to the next morning, with shredded newspapers all over the hotel room.
Yet on a daily basis we take one step into the future and it becomes the past.
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Post by puffy on Aug 15, 2018 22:22:24 GMT -5
If I could travel back 50 years would I only be 26 years old?
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Post by Ronv69 on Aug 15, 2018 22:43:05 GMT -5
If I could have a 24 hour window of time travel, that would be tough... Garden of Eden would be cool, time of Christ... yes. On a secular note, the founding fathers would be cool, as would the old west... Ok corral. Glad I was born in this age though... tobacco is less of a luxury. The time of Christ, huh? John 18:13-27. Why did he do it? They had ways of dealing with troublemakers. We lucked out. No better place than the USA in the last half of the 20th century. |
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Post by Ronv69 on Aug 15, 2018 22:45:48 GMT -5
I’ve had this discussion at times with friends. It ends up being more of an interesting thought though as the writings of those you listed plus more including Stephen Hawking tend to lean towards its impossibility. I even once ended it with how it could never be possible because another Stephen (Stephen King) wrote about how the past and those who are lazy are eaten up by the Langoliers. As such, there is no past to go to and the future hasn’t been created. lol I think someday we'll be able to see into the past, but not visit it. Astronomers do it every night. Just needs a little fine tuning. |
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Post by PhantomWolf on Aug 15, 2018 22:58:14 GMT -5
I’ve had this discussion at times with friends. It ends up being more of an interesting thought though as the writings of those you listed plus more including Stephen Hawking tend to lean towards its impossibility. I even once ended it with how it could never be possible because another Stephen (Stephen King) wrote about how the past and those who are lazy are eaten up by the Langoliers. As such, there is no past to go to and the future hasn’t been created. lol I recall really liking that view of time when I was young and read the story(or did I see the bad movie?) It's much more comforting than the theory presented by King in 10/22/63 where each trip into the past creates an entire new reality, each more terrible than the last. Or that whole 'Sound of Thunder' thing. |
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Post by PhantomWolf on Aug 15, 2018 23:04:06 GMT -5
I would only visit the past if I could do so unobserved by those living it. Imagine visiting Sumeria or Babylonia. I would love to go back to the dawn of man and chart the migrations as they settled the globe over time. Imagine being with that first group of people to find the Americas- Two entirely empty continents..
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kb7get
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Post by kb7get on Aug 15, 2018 23:10:07 GMT -5
Thing I have always thought making it impossible was.. How would the find the right spot in the universe to place you on the Earth. Being it is moving through space. If you set up a system that could move you through time, won't you just go to the same spot you are in right now and find the Earth has moved. Sure maybe you can figure out where it would be as it travels around the Sun for the the forward or backward in time but where and what section of the Universe would it be in at the detestation at that exact time. The Universe is constantly expanding I thought. So, I think if time travel could be invented you would only go to the exact same spot you started from and find empty space.
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Post by trailboss on Aug 15, 2018 23:10:21 GMT -5
If I could have a 24 hour window of time travel, that would be tough... Garden of Eden would be cool, time of Christ... yes. On a secular note, the founding fathers would be cool, as would the old west... Ok corral. Glad I was born in this age though... tobacco is less of a luxury. The time of Christ, huh? John 18:13-27. Why did he do it? They had ways of dealing with troublemakers. We lucked out. No better place than the USA in the last half of the 20th century. Without getting too theological, John 18 puts an exclamation point on what was fore ordained. I was thinking more about earlier... |
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Post by PhantomWolf on Aug 15, 2018 23:12:53 GMT -5
Thing I have always thought making it impossible was.. How would the find the right spot in the universe to place you on the Earth. Being it is moving through space. If you set up a system that could move you through time, won't you just go to the same spot you are in right now and find the Earth has moved. Sure maybe you can figure out where it would be as it travels around the Sun for the the forward or backward in time but where and what section of the Universe would it be in at the detestation at that exact time. The Universe is constantly expanding I thought. So, I think if time travel could be invented you would only go to the exact same spot you started from and find empty space. That's a great observation. Physics certainly puts a damper on fantasy in most instances.. |
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Post by Dramatwist on Aug 15, 2018 23:55:07 GMT -5
...the point I was trying to make was that, based on what we know of physics at the present, time travel would be limited, in terms of going back, just to the point where a "time machine" was invented... then she started talking warp-drive, and that we don't know everything yet... and then we devolved into "Star Trek"...
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Post by PhantomWolf on Aug 16, 2018 0:34:56 GMT -5
...the point I was trying to make was that, based on what we know of physics at the present, time travel would be limited, in terms of going back, just to the point where a "time machine" was invented... then she started talking warp-drive, and that we don't know everything yet... and then we devolved into "Star Trek"... Too late. You lit the fuse. haha |
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Post by McWiggins on Aug 16, 2018 2:19:59 GMT -5
...the point I was trying to make was that, based on what we know of physics at the present, time travel would be limited, in terms of going back, just to the point where a "time machine" was invented... then she started talking warp-drive, and that we don't know everything yet... and then we devolved into "Star Trek"... If space and time are truly connected and/or the same then warp drive shows time just might be possible.  lol |
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Post by unknownpipesmoker on Aug 16, 2018 2:30:17 GMT -5
...just had an animated discussion with Valerie about the possibility of time travel, based on my limited understanding of physics from reading Neil deGrasse Tyson, J. Richard Gott and Albert Einstein. I do not recommend undertaking this discussion with your significant other. Especially if you are unable to do the math. We ended at "Star Trek." I can't find the article off hand but there are some very highly esteemed scientists working on this right now as I type this. They've built scale models for lectures all of it. The main theory is that time isjust another form of space. Just like you can go to Arizona and see people doing Arizona things tomorrow as you can travel through that space, you should also theoretically be able to go to the mesolithic period and see mesolithic fauna doing mesolithic things. The question is now how to go about doing that. But according to the new crowd at the big universities, the future and the past are within reach, theoretically. I know I can never go back to the 80s with this technology any time soon and even if I could it wouldn't be the same, I'd be an old man with lots of health problems. So I surround myself with 80s nostalgia (even tvs, computers, movie posters, stereos, phones) etc that just boosts my comfort level about living in these more complicated and culturally rotten times. |
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Post by Legend Lover on Aug 16, 2018 3:10:44 GMT -5
Thing I have always thought making it impossible was.. How would the find the right spot in the universe to place you on the Earth. Being it is moving through space. If you set up a system that could move you through time, won't you just go to the same spot you are in right now and find the Earth has moved. Sure maybe you can figure out where it would be as it travels around the Sun for the the forward or backward in time but where and what section of the Universe would it be in at the detestation at that exact time. The Universe is constantly expanding I thought. So, I think if time travel could be invented you would only go to the exact same spot you started from and find empty space. That's a very good point. As for when I'd like to see, I'd agree with some of you on what period I'd like to go back to, but we're skating a bit close to the limit of the forum rules so I'll leave that one for now. Anyway, no good can come out of time travel. Have you not seen Back to the Future? |
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Post by Dramatwist on Aug 16, 2018 3:20:44 GMT -5
Thing I have always thought making it impossible was.. How would the find the right spot in the universe to place you on the Earth. Being it is moving through space. If you set up a system that could move you through time, won't you just go to the same spot you are in right now and find the Earth has moved. Sure maybe you can figure out where it would be as it travels around the Sun for the the forward or backward in time but where and what section of the Universe would it be in at the detestation at that exact time. The Universe is constantly expanding I thought. So, I think if time travel could be invented you would only go to the exact same spot you started from and find empty space. That's a very good point. As for when I'd like to see, I'd agree with some of you on what period I'd like to go back to, but we're skirting a bit close to the limit of the forum rules so I'll leave that one for now. Anyway, no good can come out of time travel. Have you not seen Back to the Future? (comment retracted) |
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Robert Perkins
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Post by Robert Perkins on Aug 16, 2018 4:48:46 GMT -5
Anybody see the movie "About Time"?
This movie left a really profound impression on me, and if I ever had the opportunity to travel in time, I would want to do it like they did it, going back and fixing all of my wrong choices.
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Post by Legend Lover on Aug 16, 2018 5:01:05 GMT -5
Anybody see the movie "About Time"? This movie left a really profound impression on me, and if I ever had the opportunity to travel in time, I would want to do it like they did it, going back and fixing all of my wrong choices. I like the idea of that, but I also wonder, looking back on my life, that many of the wrong choices helped me to learn a lot about myself and about life. If it wasn't for some of those I wouldn't be the person I am today. That said, there are still some wrong choices that I'd like to eradicate from my past. |
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Post by Baboo on Aug 16, 2018 5:03:17 GMT -5
Time may be nothing more than a subjective highly specialized human brain observational construct, and may in fact not exist at all or perhaps exists all at once (simultaneously). Our perception of time is a linear function of electrical impulses leaping from one neural synapse to the next... hence the perceived linearity of time as it occurs. The brain is the best time machine, especially when waking consciousness is laid to rest to dream. There, linearity and causality become fluid or non-existent. The mind morphs back to it's naturally occuring wormhole capability of connecting one part of the universe to any distant part in no time at all.
On another, yet related, theoretical string, I believe that everything we see or photograph travels at the speed of light, as that is the speed in which photons reflected off of all objects seen travels, give or take a few mph given gravitational drag, dense hyperdark medium, or other light counteracting force.
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Post by Matthew on Aug 16, 2018 9:41:11 GMT -5
If you were to go back in time to
correct your bad decisions,then you
would have no reason to go back in time
to correct them.Hence a paradox that could
cause a loop thus stopping/destroying time.
There are teachings/theories that espouse
the idea that we are able to travel in time
as observers by reliving the past in our
thoughts.It is presented as a form of
quantum mechanics,that by envisioning
a past place and time we re-enter that
moment as observers. I believe
they have termed it "Quantum Thinking".
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Post by slowroll on Aug 16, 2018 9:50:12 GMT -5
You guys have some interesting conversions when I'm asleep! My view on the topic is, while it would surely be fascinating to time travel, I don't think it's possible, now or ever. I suspect the second law of thermodynamics gets in the way -- entropy. The universe tends toward disorder, or said another way, left unattended, everything turns to crap. Time is an arrow, and we observe that by noting that everything ages and decays. So, the past is gone, decayed in obedience to entropy, and the future hasn't happened yet. Oh well, woulda been nice though.
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Post by jeffd on Aug 16, 2018 11:08:24 GMT -5
To bring this around to smoking - I have had several memorable pipe smoking moments that i would love to relive over and over.
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Post by Legend Lover on Aug 16, 2018 11:11:47 GMT -5
To bring this around to smoking - I have had several memorable pipe smoking moments that i would love to relive over and over. good point. That would be good |
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cubish
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Post by cubish on Aug 16, 2018 11:36:38 GMT -5
Well. A Tardis is made out of wood assuming it's an old call box. Osha would not allow that to hold passengers. The space stone is useless without a gauntlet unless you are a titan. We can't get Google maps to work right, so a navi computer would be utterly useless. DeLoreans are obsolete because cocaine is still illegal. And the 5th dimension being harnessing gravity in intersteller is not plausable. So I guess Einstein saying we can see, but not visit the past is irrelavent. Lol
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Post by zver on Aug 16, 2018 11:48:32 GMT -5
The idea of time travel is a wonderful thought experiment. What makes me believe it is impossible, is that you never run into anyone from the future. I never see anyone from the past either. I am sure going back and fixing things is going to be a common idea.
Just a few thoughts to ponder.
Z
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Post by Legend Lover on Aug 16, 2018 11:56:37 GMT -5
I'm from the future.
It's 6pm here. It won't be 6pm for another few hours for most of you. 😉
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Post by Deleted on Aug 16, 2018 12:11:05 GMT -5
I have not responded to this thread because I’m a realist, was never into watching fictional TV shows, movies or reading any books based on fiction. I’m living in the present, can’t change the past and do I have control over my future.....absolutely not. However, I often sit back while enjoying a fabulous blend and contemplate on my life from 1975 to 1980. “ My Finest Hour “!!!
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lol
