Time travel is a recurring theme throughout the stonerverse, but I just dont think its possible due to my belief that all matter time space its is just vibration and motion and therefore its impossible to ever reverse that motion.
So do you think its possible?
My mum always used to say, when life hands you lemons "kill mob within spell duration with a soul gem of adequate quality for the mob's level to trap its soul"
My R1 is a time machine
I point it to the fueture , behind me is the past whilst i sit in the present.
I can change the perseption of the feuture with a dial in my right hand.
Its amazing really
Last edited by shan; 01-05-2012 at 11:47 AM.
REPENT MOTHER FUCKER
(anarchy in english )
I have travelled into the future and found out it isn't.
No it isnt, whats behind you is the present and whats in front of you is the present, you just occupy different space.
My mum always used to say, when life hands you lemons "kill mob within spell duration with a soul gem of adequate quality for the mob's level to trap its soul"
Depends if the motion is linear or circular based on your premise.
They hung a sign up in our town "If you live it up, you won't live it down"-Tom Waits
I say no.
If time travel existed, we would have experienced practical demonstrations of it now, more annoying celebrities would have died in mysterious circumstances.
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Wasn't it agreed knowledge that time travel to the future may be possible but impossible to travel to the past?
Time is a variable.
Yes.
How so?Originally Posted by Maxo
My mum always used to say, when life hands you lemons "kill mob within spell duration with a soul gem of adequate quality for the mob's level to trap its soul"
/dramatic musicIf one were able to move information or matter from one point to another faster than light, then according to special relativity, there would be some inertial frame of reference in which the signal or object was moving backward in time. This is a consequence of the relativity of simultaneity in special relativity, which says that in some cases different reference frames will disagree on whether two events at different locations happened "at the same time" or not, and they can also disagree on the order of the two events (technically, these disagreements occur when the spacetime interval between the events is 'space-like', meaning that neither event lies in the future light cone of the other).[25] If one of the two events represents the sending of a signal from one location and the second event represents the reception of the same signal at another location, then as long as the signal is moving at the speed of light or slower, the mathematics of simultaneity ensures that all reference frames agree that the transmission-event happened before the reception-event
In the future,after the united athiest alliance proves that god doesn't exist, the united states of christianity send back a mexican pregnant woman named mary with a large bag of medicine to somewhere in the middle east. blah blah blah.
I think travelling forward is easier than travelling back - but I think speed and gravity come in to play at some point.
There are possible multiple dimensions, one of which may include earth circa whatever year you want to go to.
Barfridge: Seriously, what the fuck is going on here? There's no place on PSB for comments like that...
So youre telling me all the missing persons are just forward time travellers and they just cant get back to now?
Duct tape is like the Force it's dark on one side, light on the other and holds the universe together.
DUMB QUESTION FOR THE AFTERNOON:
Two people live in the same house
One goes to bed at 8pm.
One stays up all night.
The first wakes up at 8a.m, his night of blissful uninterrupted sleep apparently feels like it lasted about 20 minutes.
The other, has been awake for 12 hours.
Has the first person referentially travelled in time 11 hours and 40 minutes in front of the first?
If someone is comatose for a year, are they travelling in time?
i read something interesting about time dilation the other day-
did you know that time moves at different speeds depending on its position in a gravitational field?
^wikithe lower the gravitational potential (the closer the clock is to the source of gravitation), the more slowly time passes.
so the rate of times passing is not just a function of relative velocity but also the strength any gravitational field at the point it (the rate of times passing) is being measured.
furthermore- if you have two clocks on the surface of the earth, and want to use physical separation in time and space to cause time dilation, to make one clock read as far ahead of the other clock as is possible how to maximise the time dilation?
as you move an object higher in the gravitational field time speeds up because of the weaker gravitational field but the higher the object must travel the faster it needs to travel to get there and return (within a given time) and the faster it travels the slower the passage of time.
Natural ballistic motion follows the maximum of the time dilation curve.
ie: if you had an unnaturally powerful rocket ship and accelerated to high velocity to a high point in the Earth's gravitational field, stopped and turned around, the time dilation effect you could achieve would be less than if you shot something to a lower orbit and let it fall down again- given both operations (the rocket trip and the natural ballistic motion) took the same amount of time from go to return, as measured on the surface of the earth.
"Surely You're Joking, Mr. Feynman!": Adventures of a Curious Character - Richard Phillips Feynman, Ralph Leighton - Google Books
That is physics
REPENT MOTHER FUCKER
(anarchy in english )
Time travel is possible in theory, forward moreso than backwards. Backwards raises issue (the grandfather theory IIRC). If you travel at the speed of light then i think you can go forward (relatively, as time relative to you travelling at the speed of light will be going faster, not sure what the ratio is. eg. travelling at the speed of light for even a second or two will mean that 10 minutes or something may have passed on earth. Apparently even somewhere close to "c" can have this effect).
Backwards would require wormholes and the like (tunnelling through dimensions, probably by travelling in another dimension), and probably wouldn't be noticed by any of us as there is the whole parallel universes theory too (every single decision ever made creates a universe in which you said yes and a universe in which you said no, basically).
TLDR; possible yes, probable not for a long time.
(it has been a while since i was an avid fan of all this string theory / wormhole theory sort of stuff, back in my stargate days haha, so i could be wrong)
Time travel - Wikipedia, the free encyclopedia
in particular
Some theories, most notably special and general relativity, suggest that suitable geometries of spacetime, or specific types of motion in space, might allow time travel into the past and future if these geometries or motions are possible.[18] In technical papers, physicists generally avoid the commonplace language of "moving" or "traveling" through time ("movement" normally refers only to a change in spatial position as the time coordinate is varied), and instead discuss the possibility of closed timelike curves, which are worldlines that form closed loops in spacetime, allowing objects to return to their own past. There are known to be solutions to the equations of general relativity that describe spacetimes which contain closed timelike curves (such as Gödel spacetime), but the physical plausibility of these solutions is uncertain.
Relativity predicts that if one were to move away from the Earth at relativistic velocities and return, more time would have passed on Earth than for the traveler, so in this sense it is accepted that relativity allows "travel into the future" (according to relativity there is no single objective answer to how much time has really passed between the departure and the return, but there is an objective answer to how much proper time has been experienced by both the Earth and the traveler, i.e., how much each has aged; see twin paradox). On the other hand, many in the scientific community believe that backwards time travel is highly unlikely. Any theory that would allow time travel would require that problems of causality be resolved. The classic example of a problem involving causality is the "grandfather paradox": what if one were to go back in time and kill one's own grandfather before one's father was conceived? But some scientists believe that paradoxes can be avoided, by appealing either to the Novikov self-consistency principle or to the notion of branching parallel universes (see the 'Paradoxes' section below).
Last edited by Huntsman; 01-05-2012 at 12:35 PM.
"it works for a spherical chicken in a vacuum"
Into the future, it is in a sense, but not into the past. Relativity says that if a traveller makes a journey at close to the speed of light, time will pass at a different rate to an observer who stays at home due to the effect of gravity/inertia. If the traveller were to make a trip of say 1.5 million light years and back to earth again at very close to the speed of light, he would return home about 55 years older, but find that at home 3 million years has gone by. This is known as the twin paradox, and has been studied and confirmed by very accurate clocks, to the extent that I has been proven that time passes very slightly slower at the top of skyscrapers than it does at the bottom due to the slightly weaker gravity.
We cannot travel at the speed of light
We cannot travel through time
It is impossible, Dr Who is a made up caracter, Stargete is just anouther sci fi story
all Terry pratchets books are storys and not true.
Douglas Adems however is gospel
The improbability drive is not time travel as such it travels everywhere at once
REPENT MOTHER FUCKER
(anarchy in english )
Problem is...
Okay well I'll take a different tack. There are events which happen in the present that will affect the past. The information that is passed can be thought of as travelling back in time.
Now for those that are familar with the double slit experiment and subsequent versions of this experiment (delayed choice and quantam eraser), you will know that I'm generalising a bit
and that it isn't really as simple as saying that the information has travelled back in time (as it can also be thought of as all possibilities turning into a single event).
Rather than explain it here, I would urge you to look at the delayed choice double slit experiment and in particular the example provided by John Wheeler (hope I remembered that correctly)
because the time frames are much larger. The act of making an observation today can affect a photon of light that left a star millions of light years away (millions of years ago).
As Feynman remarked, the double slit experiment contains all the mystery of quantam mechanics.
Spiral out, keep going...
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