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[Scood]

If you move to the singularity instantly, that's defying relativity. that would be going faster than the speed of light. Unless time slows down, that defies relativity. It's possible that an object that crosses the three dimentional point of the singularity will never reach the singularity because of how slow time is.

It's very similar to the example starver gives, and it does a very good job.

Your mixing up your observer with your system. To an observer watching somebody fall into a black hole, they will appear to slow down and freeze in time.

exactly, since they are accelerating infinitely toward the blackhole, time will slow down infinitely. no matter how much time you give it to reach the singularity it will never reach it.

[JohnieRWilkins]

I'm too old for this 12 dimension crap/string theory.

What was that DoomRL quote?

You move in a non-existent direction.

Here is a disclaimer for the future, to cancel out some of my negativity:
Time travel using gravity/mass/velocity (anything even remotely hinting the word "singularity" should set bells off immediately) is impossible on the relativistic scale because it violates conservation of energy. But certain subatomic particles are known to travel in time. What does this mean? Who knows, but time travel is definitely not just around the corner. Maybe we'll be able to devise a machine to communicate with the future us at best. But that's a prognosis from someone who doesn't know squat about quantum mechanics.

Here's a Feynmann diagram of electron-positron annihilation:
http://upload.wikimedia.org/wikipedia/commons/1/1f/Feynmann_Diagram_Gluon_Radiation.svg

Scood:
If you can't reach the center of the singularity, then how can a hydrogen atom? Why are you so special? What does it mean?

[Scood]

Scood:
If you can't reach the center of the singularity, then how can a hydrogen atom? Why are you so special? What does it mean?

im not sure what you're asking, I stated that nothing can reach the singularity. since both a hydrogen atom and me count as things. neither me nor it can reach the center of the singularity.

[rarborman]

Thats still wrong, just because your accelerating towards a black hole at damagingly fast speeds doesnt mean mean infinite acceleration and doesnt mean that time slows down at all, its just that damn observational effect and things do actually fall into black holes' surfaces...even though those suckers evaporate into nothing...

IE how my brother describes it "you have a brand new pair of pocket watches you drop one clock into a (figurative) black hole, and get it back (even though that is impossible) the clock you dropped in will be still be brand new but the watch you held on to will have aged so much that it isnt a clock and more of a rusted hunk of inopperable old metal, but still the clocks are the same age, one has just been streched across space-time."

Backwards time travel isnt even remotely posible with a black hole at they opperate within the laws of time, now cosmic string is a different story.

[Azkanan]

Oh hi guys, what's going on in this thre-

...singularity doesn't violate relativity, (infinite mass, and infinite acceleration aren't properties of a singularity, which is the minimum it would take to travel backwar...

Awww shit.
*leaves expediently*

[Max White]

exactly, since they are accelerating infinitely toward the blackhole, time will slow down infinitely. no matter how much time you give it to reach the singularity it will never reach it.

No they will reach it, but to anybody watching, it will look like they never reach it. To the impossibly strong thing being thrown in that somehow isn't crushed, it will reach the center.

[rarborman]

black holes dont have centers...

[Max White]

On what basis do we assume they do not have a center? The event horizon of a black hole is measurable in  our three dimentions, they don't cross into another dimention, so the space contained within the event horizon exists within our three dimentions, therefor it has a center, and you can measure the distance from the center to the middle.

[rarborman]

...well they do have "centers" but nothing can actually "reach the center", since after an object reaches the surface or "event horizon", the object stops being and object and starts being a part of the black hole, and if they hold true to the effects of gravity like planets or stars the actual gravity in the "center" of a black hole is less than at it's surface, and is more likely devoid of gravity...and actual "black hole".

Then again I believe in a "bubble" physics theory...so who knows.

[eerr]

What? Gravity pulls things into black holes just fine.

That's how they get bigger, durrr.

[rarborman]

Lets all just agree that physics is confusing, and everybody is probably wrong.

Yes, anyone that would bother to read this will disagree, stateing that they are right, and physics isnt in the least confusing.

Your wrong, I'm wrong, this guy could be crazy, and definetly thinks he is a time traveler.

[Max White]

Physics is dead easy. Being right is easy. Being right to a degree that there will never be a more accurate model? Impossible... The world was flat untill it was round, and the people who said it was round were right. Then we managed to measure it with more percision and found that it bulged around the equator, and the people who said it was bulged were right. And then we found that because gravity is interdimentional it has drawn in matter in another universe, therefor making what counts as earth a complex multi dimensional shape, and the people that said it was a complex multi dimensional shape were right.

[Scood]

I always like to think that our physics will be considered dead wrong in the next 700- 1000 years
i  think that most sciences will start blending together until it becomes very hard to tell the difference between them.

[Farseer]

Why do people discuss this claptrap?

[Azkanan]

Why do people discuss this claptrap?

An even more important question: Why do people discuss this claptrap; when there are nobles and elves to be slaughtered? Silly Bay12ers.