Euler
Bluelighter
That's you're, genius boy.David said:Your an inflamed asshole...
That's you're, genius boy.David said:Your an inflamed asshole...
Ah, I see - you thought the inverted triangle in my eqn1 was the gradient operator? It's actually a covariant derivative - but of course you knew that.David said:...gradient equations simply do not thrill me.
I never claimed to be amazing at spelling, and the fact I missed out an "s" is irrelevant of the point I was making, don't you think?David said:^^No paranoia, just sheer laziness, and unwillingness to think about it, I've been burned on it twice already. I made it highlighted, because you spellt it wrong. As I did with your apparently.
Originally posted by thursday
david: once again, what are you credentials which should give people reason to believe your wild and unsubstantiated claims?
Well, up to a contraction they're the same thing.Euler said:Ah, I see - you thought the inverted triangle in my eqn1 was the gradient operator? It's actually a covariant derivative - but of course you knew that.
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I think the point was, as I'm sure you realise - that he didn't know that.compact said:Well, up to a contraction they're the same thing.
this has nothing to do with "liking" each other. if i knew you, i wouldn't have to ask you what your education was cuz i'd likely know already. i'm just curious. no need to get all defensive about it. geez, no wonder people on this board don't like you.David said:Once again, why should I worry what you think? Do I actually have anything to do with you? DO I know you? Have you been a friend to me here? I have only met three people on this board I can invariably say I like, and you are not one of them. AlphaNumeric is.
Variable constants? Ah, I see. It all makes sense now.David said:In totality it made sense though, but not like that. The equation was not linear, it worked off of variable constants.
As I understand it, if GR can be called "wrong" it is because it predicts that regions of very high density can collapse to a single point of infinite density (ie a black hole) and create two entirely separate regions of the universe - two regions that cannot affect each other in any way, since not even light can escape from inside the region surrounding the black hole. If light can't escape then it's impossible for us to "see" anything inside that region, so we can't know anything about it, and General Relativity doesn't "work" when we deal with infinite densities, so we can't even use the maths to predict what happens inside that region - it is completely unknown to us.protovack said:this is absolutely nuts, and I don't know the first thing about physics.
What exactly is wrong with General Relativity? That is the one that posits a rational, predictable universe right?
The "outside universe" can effect the black hole's interior, since light can fall in to it.Cex said:two regions that cannot affect each other in any way
Relativity is about gravity being thought of as the warping of space and time, and that space and time are not seperate but interwoven with one another. You effect your passage through one, you alter your passage through the other, hence why fast moving clocks tick slower (time dilation). If you've familiar with high school mechanics, you should know about vectors, and x,y,z coordinates. In relativity you've x,y,z,t and they are inter-related. The notion of universal time is gone, and everything you see depends upon how you are moving, its all relativeprotovack said:What exactly is wrong with General Relativity? That is the one that posits a rational, predictable universe right?
How true. Very silly of meAlphaNumeric said:The "outside universe" can effect the black hole's interior, since light can fall in to it.
I don't see how information could possibly be radiated back out. If you take "information" to be photons in some sequence which we know the ordering of (this may be a completely wacky definition, I don't know, but bear with me!) then as I understand it, they would be lost forever. When black holes radiate, don't they do so by quantum fluctuations resulting in the creation of particle-antiparticle pairs just on the limit of the event horizon, with one particle entering the event horizon and the other entering the "outside universe". If this is the case, then the information encoded in the ordering of the photons that went into the black hole would be lost because the photons that are radiated would have no relation to the photons that went in. What am I missing?Information can slowly leak outwards. As I'm sure David will say if I don't, recently Hawking went back on his 1970's idea that information falls into a black hole and stays there. Radiation would be emited, but the information was lost. He now admits he was wrong and information that fell into a black hole will be radiated back out. How you'd possible "collect" this I have no idea.
I can see that there's a back and forth crossing of energy, but I don't see how information can come back from a singularity. Although I have taken courses where energy has been equated with information - in particular looking at energy transport in waves - this seems to be something different.Obviously the interior and the rest of the universe aren't in "smooth" communication, its all messed up, but there is a back and forth crossing of information and energy.