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Feb 10, 2006 07:18 # 41783

eljefe *** posts about...

Time Travel Is Impossible!

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Alright sooo maybe I'll take another stab at getting back into this community. Maybe you guys aren't too tired for an intellectual thought provoker.

I have the basics of my thought down, I want to do some research into current quantam mechanics and string theory to further solidify this (it was indeed thought up by moi, only it took a good article saying the same thing to figure out how to truly expres these thoughts).

Basically, like the post title says, time travel (forwards, backwards) is impossible. And I can pretty well prove it to you using Calculus 1 and Introductory Physics.

Here we go:

Theorists when discussing currently unproveable things like gravity, singularities, and more shit I don't have that good of a grip on, they like to throw around a buzz word: spacetime.

Essentially, time is a 4th dimension. So lets work from there.

What we know is at bare minimum we have 3 dimensions: x, y, and z. And you have velocities and accelerations and such. Well, lets throw in spacetime, our supposed dimension.

Now we get velocity in our normal dimensions via our much loved dx/dt, dy/dt, dz/dt. Distance over time. Now in order to do time travel we need to have velocity in our time dimension, correct? Great, no problem, we just do a dt/dt and.. oh wait, dt/dt cancels out to 1. Not 1 second mind you, but 1. If there was a 4th dimension, object and particles in that dimension would never move. There would be no velocity, no nothing.

In order for particles to move in a fourth dimension, we'd have to define it as w (or any other arbitrary letter), to which velocity is dw/dt and we are no longer moving through time, rather we are moving through w. And no, w can't be time because if w was time, w would be t and velocity would be dt/dt.

Essentially what people fail to realize or tend to gloss over is that timeis a mathematical trick that we humans invented to put order to our world. Time is abstract, time is the displacement of object. Time is not a physical quality manifested in some dark matter or something of the like.

[now we get into what I havn't fully looked into]

As far as I know the big things on Quantam Mechanics is it throws alot of conventional physics out the window. But not our basic construct of space (x,y,z, and whatever other dimensions string theory creates). X, Y, Z, and any other dimension is the unchangeable construct of our universe. Everything plays by these simple laws. Displacement, Velocity, Acceleration.

Back on topic-ish, quantam physicis revel over how atoms take on multiple states at once, spin in both directions at the same time, etc. However they are still constrained to simple basic X, Y, Z, etc.

Some scientests like to theorize that particles that do wierd stuff and dissapear, reappear, etc. are jumping through time. All right, I have a parable for you. There is a perfect diamond sphere that sits on your desk every day. One day I freeze it to 0 Kelvin (atoms, electrons, etc. completely stopped) and run off with it. You don't know I did, and you see it missing. 5 days later I sneak it back in and return it to room temperature (since we are already unrealistic, instantaneously returned to room temperature). Then you see it. Did the sphere jump forward in time? Or perhaps backwards in time? I mean, its atoms are moving just like they would have 5 days ago had it not dissapeard. But no, it didn't go through time.

The particles and atoms scientest supposedly say are moving through time, rather I (with unscientific assumptions, which is based on as much fact as Stephen Hawking's theories were... seroiusly, not alot of empirical evidence was/could be used... in his defense, what tests could he actually run?) believe that quantam mechanics does not have the ability to allow jumping through time, but even better, instantaneous jumps. Position a to b instantaneously. That is well within our very very basic constructs relms (essentially we have a velocity of infinity). It could jump into our w dimension to do so (worm holes), but still no time travel.

I hope my post had my point come across... I kinda started to foam at the mouth at the end.

Thoughts? Praise? Refutations? Flamebait [not welcome]?

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