Time travel.

Aaron

Aaron

Silver Member
This is a hell-outlandish thread, so yeah, enjoy :)

My opinion is, no, it can't happen, the odds of successful time travel are astronomically high, and there are so many problems that are involved within the idea that we'd practically destroy all life.

My first time travel 'theory'
If time travel existed, that would mean the future has already happened, right?
If time travel exists, and people have come back to the past/present, why is everything the same...? UNLESS! The changes have already occured as a result of time travel and we are living in a world where paradoxs and abnormal things exist, but remain unnoticed.

My second time travel 'theory'
If someone was living in the year 3042, and they travelled back to the year 1951, does this not create an ultimate paradox?
They are existant in a time before they are born, would this not create many problems?

Discuss if you wish :)
Just something really fun to think about.
 
Madis

Madis

Super Geek
Staff member
Time travel to the past is impossible just because for example:

- if you travel into the past to fix a problem you had, and you manage to fix that problem, then in the future (the origin time you came from) it doesn't make you to solve that problem because it's already solved and it doesn't make you travel in time to past - so the problem solving in the past will never happen due to this. It's a dead circle.

- if you travel to past, there has to be somekind of molecular structure that can form into you. You can not just appear out of clear air. We all know that we can teleport information through electrical signals but we also have two machines, one at each end of the travel which converts the signals into text, pictures and other files. To teleport ourselves we would need something that destroyes/copies the molecular structures of our body, transfer them by signal and a generator that builds it up at the end of the travel, for example on the other side of the planet. But teleporting a body into time that has already happened (past), is utopic.

The only time travelling available is to the future (no returning back) by icing/preservation.
 
Aaron

Aaron

Silver Member
There is also another thing i was just looking at, time dilation.
When you travel close to the speed of light, it causes the time to 'slow down' as such.
And therefore you can live longer and 'speed up time' in outer space, while the time on earth is still the same. Hence the difference in a light year.
This isn't really time travel, more time alteration.
 
B

BradAyres

Member
Like if go back in time and you have sex with ur grandma and she gets pregnant than u r ur dads dad and that, before u went back in time you had already gone back in time and have been ur own grandpa or somthing?
 
Aaron

Aaron

Silver Member
Doubt it.
God's Divine plan and all..

Speaking of which.. Here is another time travel theory.
There's a higher being that cause everything to exist, and supplied us with the materials to make pretty much everything we need, and made systems that work close to perfect (Human body, Ecosystems).
So why couldn't this higher being have made the world 'time travel-proof', like he made the rest of the world practucally perfect, maybe there was a way to make it better again.
 
M

Max Margalit

Member
i reckon if someone did travel through time, the time between when he ended up back and the time in which he left would become an infinite loop.

but i dont think that will ever happen
 
E

Encarmine

Member
I heard something once that if you go past the speed of light time goes backwards?
And freezing yourself into the future haha futurama anyone?
 
S

seankane

Member
Encarmine said:
I heard something once that if you go past the speed of light time goes backwards?
Click to expand...

it doesn't go backwards, its just that your sense of time is different from anything not moving that fast, like aaron said.


you guys need to watch nova more, best show.

time travel IS scientifically possible, forwards and backwards. the only thing is, once the first time travel device is created, that's the earliest someone from the future would be able to go back to.

so say that someone creates a method of time travel in 2042, well the earliest time people from 4409 will be able to send something back to is that exact moment in 2042.

now that's where your time paradox stuff comes in. the second that machine is turned on, won't there be an influx of things coming from the future? say the second you turn it on, you get a message from the future saying that the world is going to end in 2900? then will you be able to change the future since you know what's going to happen, or is it set?

someone really needs to get on making a time machine, the idea of it is so cool.
 
Jordan Jasa

Jordan Jasa

Silver Member
AaronBransdon. said:
There is also another thing i was just looking at, time dilation.
When you travel close to the speed of light, it causes the time to 'slow down' as such.
And therefore you can live longer and 'speed up time' in outer space, while the time on earth is still the same. Hence the difference in a light year.
This isn't really time travel, more time alteration.
Click to expand...
yea, theres been astronauts that technically have "time traveled" like a fraction of a second into the future as a result of flying so fast.

time travel is wayyyy to confusing for me to think about. it was confusing enough in Back to the Future (great movie) and harry potter.
 
D

dre

Member
In my opinion it would fuck everything up.

Therefore, fuck time travel.

And sean, I'd like to know where you heard from that it has been scientifically proven to be possible. I've heard that somewhere before too, but I've never had it really explained to me.

And the stuff madis said makes sense to me.
 
S

seankane

Member
Dre said:
And sean, I'd like to know where you heard from that it has been scientifically proven to be possible. I've heard that somewhere before too, but I've never had it really explained to me.
Click to expand...

nova. you probably don't have it in canada, but it's a science show on public tv in the US. probably the most interesting show on television.
 
Kyper

Kyper

Member
I don't think it's possible and here's a simple reason why I think so.

Suppose a man traveled back in time and killed his biological grandfather before the latter met the traveller's grandmother. As a result, one of the traveller's parents (and by extension, the traveller himself) would never have been conceived. This would imply that he could not have travelled back in time after all, which in turn implies the grandfather would still be alive, and the traveller would have been conceived, allowing him to travel back in time and kill his grandfather.
 
O

oconn7

Member
Time travel is possible albert einstein has a theory on it based off of his E=MC2 my ufo theory is based off of time travel
 
Aaron

Aaron

Silver Member
Encarmine said:
I heard something once that if you go past the speed of light time goes backwards?
And freezing yourself into the future haha futurama anyone?
Click to expand...
It is physically impossible to travel faster than the speed of light, as the speed of light seems to stay the same no matter what speed you are travelling.
If you are travelling at 99% the speed of light, outside your spaceship or whatever the speed of light is still 100% faster than you, meaning no matter how fast you go, its isn't possible.
Some people suggest throwing a tennis ball when you are at 99.99% the speed of light, but this is based on perspective, not velocity, so the tennis ball is really only going 40 miles and hour, while someone viewing it from outside a space-craft would view it as going 100.1% the speed of light.
 
B

briflip

Member
what about slowing time to where u can walk around normal and everybody else is moving really slow ? is it possible
 
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