Why isn't time travell possible?

[JellyBaby]

As has been said, going forward will happen but not backward. Nature will not allow you petty mortals to rewrite history or undo what she's taken so long to create. Only Doctor Who can do that.

 

[KevinMU1]

What I learned in my Contemporary Physics class is that time travel is possible--if we had an infinite source of energy. But we don't. Mathematically, though, the time travel equations work with an infinity for E.

I think we're pretty much SOL on time travel, give up.

 

[Lucky]

<< That'd be parallel universes. However, none of you are smart enough to discuss time travel, so I suggest we stop all future discussions now.

By the way, rc5, travel is spelled T-R-A-V-E-L. PM me and I'll take you back to your childhood and you can win that spelling bee. >>

 

[pallander]

Ok,,I try to explain why you can`T;-)

Light is the thing that makes time go forward we all know.Light has a positive speed forward,cant have a negative speed?!
So,you can speed up positive and go forward in time,compared to us on earth,but not backward :

 

[HombrePequeno]

<< Light is the thing that makes time go forward we all know. >>



Light doesn't make time go forward.

 

[GermyBoy]

of course it doesn't.

 

[SpecialEd]

I've already figured out how to travel in time. Currently i'm traveling 24 hours into the future per day. I'll see you guys tomorrow in 24 hours!!

 

[pallander]

>Light doesn't make time go forward.>>>

Ok,,I was wrong or slightly incorrect.Movement makes time go forward but light has a positive speed(200000km/s)
Time started after big bang,so they say with a big exploid....

 

[bozack]

that Flux capacitor on Ebay is awesome, just a little pricey for me.

Amazing what you can find on ebay.

 

[BooneRebel]

Given enough time (grin), anything that science says is impossible can be proven possible. Think about some of the biggies: The Earth is flat, the Sun revolves around the Earth, there is nothing smaller than the atom, human flight is impossible, breaking the speed of sound is impossible, etc, etc, etc. While time travel is not feasible today, give 1000 monkeys 1000 typewriters and they'll spell it out for you soon enough....

 

[KevinMU1]

Ah yes, but we're not as ignorant as we were then. I honestly believe time travel is impossible, and my #1 evidence is that nobody from the future has visited us yet.

 

[SagaLore]

Time Travel *is* possible, you just need to know how to go about it.

Time is represented as the "timewave". The entire universe is a wave, all matter and energy is a wave. Time's progression, as wave, is synchronized to the spacetime oscillation we are made of.

Regardless of the technology used, at some point we will be able to travel back in time - but nobody in the past will know it.

The timewave is a constant changing wave. If we want to travel backwards in time, we have to shift the timewave of a given area, this is going to create a differential. This Phase Shift will result in a backtrack of the universe, we will be able to observe everything around us - but nobody will be able to observe us because our timewave is not synchronized with the current universe. Our timewave will contiue to oscillate based on it's source origin, this will provide us a relative position to return to. This preserves of the conservation of energy, since the past already took place, any knowledge we can obtain through observation would already have existed, and our non-interactive state would keep any new energies from occuring.

 

[SagaLore]

<< What I learned in my Contemporary Physics class is that time travel is possible--if we had an infinite source of energy. But we don't. Mathematically, though, the time travel equations work with an infinity for E.

I think we're pretty much SOL on time travel, give up. >>



Answer: Tachyons.

Mass needs an infinite amount of energy to reach the speed of light, but tachyons are already faster than the speed of light, and need an infinite amount of energy to slow them below the speed of light.

We need to tap into the tachyon particle stream to accomplish time travel.

 

[hoihtah]

it is possible!!!
here's a proof.

 

[Fandu]

Well I guess it depends on which direction in time you want to go. According to quantum physics and relativity, it is possible to stay at a current time. IE: you would not age, but everything around you would experience normal time. You can do this by accelerating to the speed of light, and sustaining that speed for a length of time. Which, currently, we believe is not possible. However, the time distortion also occurs at speeds lower than c, it's just not very much of a differential. But as far as going back in time, that we haven't really even theorized how to do that yet. Although there are some interesting ideas.

 

[JellyBaby]

<< However, the time distortion also occurs at speeds lower than c, it's just not very much of a differential. >>

Yep, people have already time traveled. The first pilots of the ultra-fast SR-71 Blackbird (which reached speeds of mach 3) reported that after the flights their clocks were several seconds ahead of clocks on the ground.

 

[silverpig]

<<'The Elegant Universe' is an awesome book as well. Can't remember the author offhand, and it deals more with superstring than time directly, but it's an increadible read for those without advanced physics training.>>


Excellent book. I got 3/4 of the way through it, then lost the damn thing. Gotta find it

 

[NikPreviousAcct]

cuz yer eyes would go FRICKIN' POP maaaan an'nat just ain't cool

 

[KevinMU1]

JellyBaby--that's not really time travel--the pilots didn't end up a few seconds ahead of the people on the ground, time just went relatively faster for them.

 

[zzzz]

Time travel is not possible because if it was then there must have been visitors from the future to our period otherwise.
Then ofcourse, there is the problem of grammer.

 

[BooneRebel]

<< Ah yes, but we're not as ignorant as we were then. I honestly believe time travel is impossible, and my #1 evidence is that nobody from the future has visited us yet. >>

Sure we are. We're just ignorant about different things.
Saccharine is good for you. No, wait a minute, it causes cancer.
Fen-phen is the next wonder drug. Sorry, it causes strokes.
Eggs are bad for you. No, they're not. Yes, they are. Uhmmm...
Picture our descendants 100 years from now looking back on medical procedures like chemotherapy and amputations. We'll be considered barbaric. With advances like genetic profiling and nanotechnology they may be able to eliminate surgery entirely, or at least the way we perceive it now using a scalpel.

Every culture throughout history has considered itself the most advanced of it's age. Which it was, for the time. However, state of the art only lasts for so long before being outdone. Looks at computers. Good ol' Moore. It's just as hard for us to predict the future now as it was for our ancestors hundreds of years ago. Just because it hasn't happened yet doesn't mean that it won't happen. "Commissioner of Patents Henry Ellsworth wrote in the Annual Report for 1843: 'The advancement of the arts, from year to year, taxes our credulity, and seems to presage the arrival of that period when human improvement must end.' Do you think that we've reached the point that human improvement has ended? Or will we continue to advance?

 

[BooneRebel]

<< JellyBaby--that's not really time travel--the pilots didn't end up a few seconds ahead of the people on the ground, time just went relatively faster for them. >>

Please explain to me the difference. If, at a given point in time one of the parties arrived sooner than the other, isn't that the definition of time travel?

 

[johneetrash]

<< cuz yer eyes would go FRICKIN' POP maaaan an'nat just ain't cool >>



bahhahahhghahhaglskdfjlsakdf

 

[BooneRebel]

One other thought: For everyone that says it must be impossible because otherwise people from the future would have visited us - What makes that such a solid argument. What's to say that we haven't been visited? Or maybe they're not interested in visiting us at this point in time? Would you also say that there cannot be life on another planet/galaxy because we haven't seen it yet? At one point in time people argued that virii and germs did not exist because they could not be seen. But we all know (now) that's ludicrous, right? But only because we have been taught & shown otherwise. Once time travel is proven I'm sure that everyone then will also think "Sure, of course, why didn't I think of that?". It's easy to look back on someone else's work to make the jump from point A to point B. It's quite a bit harder to make that jump yourself...

 

[KevinMU1]

JellyBaby--the people don't think there is any difference, only the watches do. Without the watches nobody would think any time travel occurred.