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If the non-compact sources are weak, Burko shows, a hybrid singularity forms: a strong sector (inevitably destructive) and a weak sector (finite tidal distortions). A spaceship entering through the weak sector conceivably could travel unscathed to another part of space-time.
tidal gradients depend on the curvature of the "throat" of a black hole. the larger the black hole the gentler the gradient even if that means the mass is greater.
originally posted by: Phage
"It has often been assumed that objects approaching a black hole are crushed by the increasing gravity,"
The trouble is the more likely scenario is that the object would cease to exist before it even reaches the event horizon. Objects approaching the event horizon would not be crushed by increasing gravity, they would be broken into smaller and smaller fragments due to tidal effects. The common term is spaghettification. Like what happened to Comet Shoemaker–Levy 9, but more so.
I guess they skipped that part in the model.
Indeed, it is always risky to judge science papers by popular articles written about them.
also i do not know for sure but it looks like their conjecture assumes the topology (Kerr, etc) and the rotation alters the gravity and thus the gradient.
lol. it does if you want get back out of the black hole at any time.
originally posted by: Phage
a reply to: stormbringer1701
I know about that paper, it doesn't have much to do with the one being discussed.
lol. it does if you want get back out of the black hole at any time.
originally posted by: Phage
a reply to: stormbringer1701
lol. it does if you want get back out of the black hole at any time.
No, not really.
The paper is about quantum information being lost or not, not about humans surviving.
i know its about quantum information but the same mechanism that was believed to have prevented it would naturally also have prevented anything larger from getting out.
originally posted by: stormbringer1701
lol. it does if you want get back out of the black hole at any time.
originally posted by: Phage
a reply to: stormbringer1701
I know about that paper, it doesn't have much to do with the one being discussed.
originally posted by: stormbringer1701
one aspect of popular fiction concerning black holes is that you can enter and leave them intact. everything i have posted is topical to that.
if the event horizon is removed (think of what the event horizon is) then we are not talking about hawking radiation anymore.
originally posted by: Soylent Green Is People
originally posted by: stormbringer1701
one aspect of popular fiction concerning black holes is that you can enter and leave them intact. everything i have posted is topical to that.
I don't see how Hawking radiation -- even if information is preserved and transferred to the radiation -- would allow for a human to leave the black hole intact.
Maybe once the black hole was done radiating away, and once all of that Hawking radiation was analyzed, there existed the particles that made the human among all of the particles that were radiated, and the quantum states of those particles were still the same as they were when they were part of the human who got sucked into the black hole...but they wouldn't be an intact human.
Right, so the singularity would never evaporate. While the quantum information contained within it might still exist, it could never be recovered.
originally posted by: stormbringer1701
if the event horizon is removed (think of what the event horizon is) then we are not talking about hawking radiation anymore.
originally posted by: Soylent Green Is People
originally posted by: stormbringer1701
one aspect of popular fiction concerning black holes is that you can enter and leave them intact. everything i have posted is topical to that.
I don't see how Hawking radiation -- even if information is preserved and transferred to the radiation -- would allow for a human to leave the black hole intact.
Maybe once the black hole was done radiating away, and once all of that Hawking radiation was analyzed, there existed the particles that made the human among all of the particles that were radiated, and the quantum states of those particles were still the same as they were when they were part of the human who got sucked into the black hole...but they wouldn't be an intact human.
originally posted by: Phage
Right, so the singularity would never evaporate. While the quantum information contained within it might still exist, it could never be recovered.
originally posted by: stormbringer1701
if the event horizon is removed (think of what the event horizon is) then we are not talking about hawking radiation anymore.
originally posted by: Soylent Green Is People
originally posted by: stormbringer1701
one aspect of popular fiction concerning black holes is that you can enter and leave them intact. everything i have posted is topical to that.
I don't see how Hawking radiation -- even if information is preserved and transferred to the radiation -- would allow for a human to leave the black hole intact.
Maybe once the black hole was done radiating away, and once all of that Hawking radiation was analyzed, there existed the particles that made the human among all of the particles that were radiated, and the quantum states of those particles were still the same as they were when they were part of the human who got sucked into the black hole...but they wouldn't be an intact human.
In this letter, we study the possibility of destroying the event horizon of regular black holes. These objects have no central singularity and therefore they are not protected by the cosmic censorship hypothesis. Our results strongly support the conclusion that regular black holes can be destroyed.
originally posted by: Triton1128
a reply to: andy06shake
I'm a fan of the white hole theory.. But have we found anything in our own universe that could be portrayed as one?
You would think with the amount of black holes we have in our universe, if each ended with a white hole on the other end, in another universe. We would see as many white holes here as black holes?