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re: Do you believe in time travel?
Posted on 3/3/18 at 6:48 am to rebeloke
Posted on 3/3/18 at 6:48 am to rebeloke
As far as I know, backwards time travel is impossible, but Forward travel is by going at relativistic speeds (closer and closer to c). As you do, time from the travelers perspective slows down so that traveling at say 10 years in the ship will be exponentially more to everything else. (10 years on ship could be 1000 on earth)
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Posted on 3/3/18 at 6:50 am to rebeloke
If you think about it, driving a car, flying in a plane is really time travel
Posted on 3/3/18 at 6:58 am to rebeloke
Time travel into the future is not theoretical, it has been proven and demonstrated multiple times. However, it's not how most people think of it.
Time slows the faster you go and the more gravity you experience. It's not an instantaneous jump like most people think. It's a process that happens gradually over time.
For example, an airline pilot by the end of their career will have experienced time at a different rate than someone who works at a desk every day.
The difference after say 30 years would still only be a fraction of a second, but it still happens.
Time slows the faster you go and the more gravity you experience. It's not an instantaneous jump like most people think. It's a process that happens gradually over time.
For example, an airline pilot by the end of their career will have experienced time at a different rate than someone who works at a desk every day.
The difference after say 30 years would still only be a fraction of a second, but it still happens.
Posted on 3/3/18 at 7:00 am to rebeloke
The problem is, if we ever develop it, and you go back to a time when it didn't exist, you'll frick everything up and won't be able to leave.
The butterfly effect us freal.
Don't bet your future on one roll of the dice.
The butterfly effect us freal.
Don't bet your future on one roll of the dice.
Posted on 3/3/18 at 7:01 am to rebeloke
Time travel already exists, it’s called PornHub. You can’t tell me you haven’t sat down to a fresh incognito browse, next thing you know you look up and it’s 3 hrs later and you still havent found the perfect clip to butter your biscuits. It’s incredible really.
Posted on 3/3/18 at 9:02 am to rebeloke
Andrew Carlssin was a hoax and not real, bad example you posted.
While time travel is technically possible, you also need to really fast ship.
We discussed this some in various threads, to go into the future or past you have to always know the location of the Earth in outer space. In one year it travels 11.68 billion miles roughly.
I think crossing dimensions in the multiverse is something more plausible. That would not be time travel though.
While time travel is technically possible, you also need to really fast ship.
We discussed this some in various threads, to go into the future or past you have to always know the location of the Earth in outer space. In one year it travels 11.68 billion miles roughly.
I think crossing dimensions in the multiverse is something more plausible. That would not be time travel though.
Posted on 3/3/18 at 9:14 am to rebeloke
It's quite possible to make time fly past much more quickly than you experience it. Just go really fast, like 90% or so of light speed.
This isn't just theoretical, it's done with atomic nuclei fairly often. We know the half-life of certain nuclei when at rest. If you make them go really fast in a particle accelerator their half-lives slow down as Einstein predicted.
So time travel to the future is quite possible. But not to the past, that requires the ability to travel faster than light, have negative energy, or similar nonsense. A Tipler cylinder is one example of something that is patently ridiculous but theoretically allows time travel to the past. The tl/dr is that this is an infinitely long cylinder with a density approaching a neutron star that is rotating at nearly light speed.
Stephen Hawking published a paper arguing that travel into the past is simply impossible period.
This isn't just theoretical, it's done with atomic nuclei fairly often. We know the half-life of certain nuclei when at rest. If you make them go really fast in a particle accelerator their half-lives slow down as Einstein predicted.
So time travel to the future is quite possible. But not to the past, that requires the ability to travel faster than light, have negative energy, or similar nonsense. A Tipler cylinder is one example of something that is patently ridiculous but theoretically allows time travel to the past. The tl/dr is that this is an infinitely long cylinder with a density approaching a neutron star that is rotating at nearly light speed.
Stephen Hawking published a paper arguing that travel into the past is simply impossible period.
Posted on 3/3/18 at 9:16 am to Kafka
quote:fify
Ask me yesterday and I'll tell you tomorrow
Posted on 3/3/18 at 9:31 am to Crow Pie
What would happen if you went the speed of light in your car and then turned your lights on?
Posted on 3/3/18 at 9:40 am to FeauxPaw
quote:
Say you had the ability to go back in time to murder Hitler.
This is something people always say when it comes to time travel but that doesn’t make a whole lot of sense. Although in a very evil way, Hitler was still a significantly important historical figure. Killing him would certainly alter history so much you would cause entire generations of people from ever existing and new generations to take their place. What’s not to say some person even worse than Hitler comes into power and kills even more people?
There’s also the butterfly effect which is the mere existence of you on the past could completely alter history. Hell you might not even be born which creates a paradox in how you went back in time to in the first place.
Posted on 3/3/18 at 9:43 am to 1BamaRTR
We know so little about time and space that I will not rule it out.
I think a wormhole idea of cutting though space is more likely than going back in time.
I think a wormhole idea of cutting though space is more likely than going back in time.
Posted on 3/3/18 at 9:46 am to 1BamaRTR
quote:
What’s not to say some person even worse than Hitler comes into power and kills even more people?
You meal like Stalin going unchecked and still ending with WWII only against Russia and having to win on their ground?
Posted on 3/3/18 at 9:51 am to rebeloke
Time is an illusion. You can’t travel through something that doesn’t exist.
Posted on 3/3/18 at 9:58 am to memphis tiger
quote:
You meal like Stalin going unchecked and still ending with WWII only against Russia and having to win on their ground?
No I mean like having Stalin and a guy even worse than Hitler.
Posted on 3/3/18 at 9:59 am to Emteein
quote:
Time travel already exists, it’s called PornHub. You can’t tell me you haven’t sat down to a fresh incognito browse, next thing you know you look up and it’s 3 hrs later and you still havent found the perfect clip to butter your biscuits. It’s incredible really.
ain't that the truth 
Posted on 3/3/18 at 10:09 am to rebeloke
Posted on 3/3/18 at 10:31 am to rebeloke
Space and time are synonymous so when you travel through space you logically travel through time. This travel seems to be uni-directional. Forward only. Physicists routinely say that time is linear, so that means that space is expanding in one direction, too, and that’s what we see.
Einstein’s relativity says that time varies dependent upon the observer and his speed relative to another person moving at a different speed or is stationary. A person traveling at 18,000 mph in an orbiting space craft is experiencing the passage of time more slowly than his twin on earth, for example. This experiment has been performed with conclusive results.
So, is this time travel in the classic sense? I don’t think it is. To me it’s just relativity in action.
Classic time travel is a “jump” from one reality to another, either to a future period or the past. While theory says it’s possible, application says it isn’t.
Einstein’s relativity says that time varies dependent upon the observer and his speed relative to another person moving at a different speed or is stationary. A person traveling at 18,000 mph in an orbiting space craft is experiencing the passage of time more slowly than his twin on earth, for example. This experiment has been performed with conclusive results.
So, is this time travel in the classic sense? I don’t think it is. To me it’s just relativity in action.
Classic time travel is a “jump” from one reality to another, either to a future period or the past. While theory says it’s possible, application says it isn’t.
Posted on 3/3/18 at 10:43 am to rebeloke
I used to do it all the time in college and the few years after. I'd go out and wake up the next day at noon at some weird place. Sometimes I would be at my place, but other weird things had happened like the microwave was in the hallway on time.
Posted on 3/3/18 at 11:01 am to stat19
quote:Or, it was a fake story, like they said in the video.
So he is either really stupid for not considering that or simply a crook that used insider information.
Posted on 3/3/18 at 11:02 am to rebeloke
No I do not.
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