Re: Meditations
Posted: 01 Feb 2013 01:04
We got a long way to go. ![Uber Geek :ugeek:](./images/smilies/icon_e_ugeek.gif)
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Because scientists are great at naming things. You do realize that a black hole isn't a literal hole, right?Then why is it called a HOLE?Black holes are solid objects anyway.
BUM BUM, BUUUM
Of course, why didn't we think of it like that?I think what World is attempting to articulate is that it is best not to live with preconceptions. He is saying that preconceptions can dangerously alter how you perceive new information, distorting it like a bad lens. Which, is true, if that's what he's trying to get across
Lol, it's like saying pineapples are apples because they're called pine-APPLES XDBecause scientists are great at naming things. You do realize that a black hole isn't a literal hole, right?
No, you can't disintegrate a black hole. But actually, solutions like the Kerr and Reissner ones for rotating and charged black holes respectively allow for avoiding collision with their ring/electrified singularity. You could seemingly avoid being turned into spaghetti with a variation of this around you.As for the black hole thing, you seem to be proposing some sort of anti-gravity device that can disintegrate a black hole as it touches one, which not only sounds like it would break most laws of physics and at least a dozen hypotheses, but also seems totally counter productive. It's exactly like saying: "Well, death CAN be undone, I just need to do machine that can undo death's effects."
Well that was an interesting paper. I would like to point out though that - if I understood it correctly - the trip would still be fatal, you can just shorten the time during which you are being torn into pieces. In fact, isn't that contraption designed to keep you alive until it crushes you? Also, while this doesn't exactly mean it is impossible per se, it isn't practically possible to build a torus that weighs about 832.2 Eg (exagrams), which weighs about the same as a thousandth of all the oceans.OnyxIonVortex wrote:Lol, it's like saying pineapples are apples because they're called pine-APPLES XDBecause scientists are great at naming things. You do realize that a black hole isn't a literal hole, right?
No, you can't disintegrate a black hole. But actually, solutions like the Kerr and Reissner ones for rotating and charged black holes respectively allow for avoiding collision with their ring/electrified singularity. You could seemingly avoid being turned into spaghetti with a variation of this around you.As for the black hole thing, you seem to be proposing some sort of anti-gravity device that can disintegrate a black hole as it touches one, which not only sounds like it would break most laws of physics and at least a dozen hypotheses, but also seems totally counter productive. It's exactly like saying: "Well, death CAN be undone, I just need to do machine that can undo death's effects."
But it's not your work, it's the work of those who made that lifeguard model...YES! My work is finish!
Well, that's why I said a variation, in a Schwarzschild black hole (the good-old black hole we all know) it would only serve to postpone the crush, but in a Kerr black hole it could (maybe) keep you alive for enough time to survive.Anteroinen wrote:Well that was an interesting paper. I would like to point out though that - if I understood it correctly - the trip would still be fatal, you can just shorten the time during which you are being torn into pieces. In fact, isn't that contraption designed to keep you alive until it crushes you? Also, while this doesn't exactly mean it is impossible per se, it isn't practically possible to build a torus that weighs about 832.2 Eg (exagrams), which weighs about the same as a thousandth of all the oceans.OnyxIonVortex wrote:Lol, it's like saying pineapples are apples because they're called pine-APPLES XDBecause scientists are great at naming things. You do realize that a black hole isn't a literal hole, right?
No, you can't disintegrate a black hole. But actually, solutions like the Kerr and Reissner ones for rotating and charged black holes respectively allow for avoiding collision with their ring/electrified singularity. You could seemingly avoid being turned into spaghetti with a variation of this around you.As for the black hole thing, you seem to be proposing some sort of anti-gravity device that can disintegrate a black hole as it touches one, which not only sounds like it would break most laws of physics and at least a dozen hypotheses, but also seems totally counter productive. It's exactly like saying: "Well, death CAN be undone, I just need to do machine that can undo death's effects."
Admittably I don't really know the difference between those two.Well, that's why I said a variation, in a Schwarzschild black hole (the good-old black hole we all know) it would only serve to postpone the crush, but in a Kerr black hole it could (maybe) keep you alive for enough time to survive.Well that was an interesting paper. I would like to point out though that - if I understood it correctly - the trip would still be fatal, you can just shorten the time during which you are being torn into pieces. In fact, isn't that contraption designed to keep you alive until it crushes you? Also, while this doesn't exactly mean it is impossible per se, it isn't practically possible to build a torus that weighs about 832.2 Eg (exagrams), which weighs about the same as a thousandth of all the oceans.
But don't get me wrong, those solutions are mathematical idealizations, real black holes aren't likely to be like that. Any small perturbation would cause the attempt to avoid the ring to fail miserably, and all real black holes are constantly absorbing matter from the surroundings. And all of this is theoretical, general relativity doesn't take quantum effects into account (many attempts to take it into account remove the concept of singularity, making all this useless), and anyways how can we know if the singularity is not shaped like a potato until we see it and test the theory?