Stephen Hawking: 'There are no black holes'

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PostSat Jan 25, 2014 12:30 pm » by Tjahzi


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Notion of an 'event horizon', from which nothing can escape, is incompatible with quantum theory, physicist claims.


Most physicists foolhardy enough to write a paper claiming that “there are no black holes” — at least not in the sense we usually imagine — would probably be dismissed as cranks. But when the call to redefine these cosmic crunchers comes from Stephen Hawking, it’s worth taking notice. In a paper posted online, the physicist, based at the University of Cambridge, UK, and one of the creators of modern black-hole theory, does away with the notion of an event horizon, the invisible boundary thought to shroud every black hole, beyond which nothing, not even light, can escape.

“There is no escape from a black hole in classical theory,” Hawking told Nature. Quantum theory, however, “enables energy and information to escape from a black hole”. A full explanation of the process, the physicist admits, would require a theory that successfully merges gravity with the other fundamental forces of nature. But that is a goal that has eluded physicists for nearly a century. “The correct treatment,” Hawking says, “remains a mystery.”

Hawking posted his paper on the arXiv preprint server on 22 January1. He titled it, whimsically, 'Information preservation and weather forecasting for black holes', and it has yet to pass peer review. The paper was based on a talk he gave via Skype at a meeting at the Kavli Institute for Theoretical Physics in Santa Barbara, California, in August 2013

Hawking's new work is an attempt to solve what is known as the black-hole firewall paradox, which has been vexing physicists for almost two years, after it was discovered by theoretical physicist Joseph Polchinski of the Kavli Institute and his colleagues (see 'Astrophysics: Fire in the hole!').

In a thought experiment, the researchers asked what would happen to an astronaut unlucky enough to fall into a black hole. Event horizons are mathematically simple consequences of Einstein's general theory of relativity that were first pointed out by the German astronomer Karl Schwarzschild in a letter he wrote to Einstein in late 1915, less than a month after the publication of the theory. In that picture, physicists had long assumed, the astronaut would happily pass through the event horizon, unaware of his or her impending doom, before gradually being pulled inwards — stretched out along the way, like spaghetti — and eventually crushed at the 'singularity', the black hole’s hypothetical infinitely dense core.

Continued : http://www.nature.com/news/stephen-hawking-there-are-no-black-holes-1.14583
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PostSat Jan 25, 2014 2:32 pm » by Noentry


This is very interesting.

This theory if true is in direct confrontation with contemporary science.

If this is true can this be proof that the speed of light can be broken?
Or is there forms of energy or matter that gravity has no effect over?

Tjahzi great find.
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PostSat Jan 25, 2014 3:40 pm » by Troll2rocks


The perplexing thing about the fundamental model and apparent nature of a black holes is the 'conservation of information'. Mass cannot be lost, it can only be transformed into different states. That is the one law this universe is most adamant about.
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PostSat Jan 25, 2014 4:05 pm » by Webcat


Troll2rocks wrote:The perplexing thing about the fundamental model and apparent nature of a black holes is the 'conservation of information'. Mass cannot be lost, it can only be transformed into different states. That is the one law this universe is most adamant about.


Apparently true. :think:

If Hawking is correct, there could even be no singularity at the core of the black hole. Instead, matter would be only temporarily held behind the apparent horizon, which would gradually move inward owing to the pull of the black hole, but would never quite crunch down to the centre. Information about this matter would not destroyed, but would be highly scrambled so that, as it is released through Hawking radiation, it would be in a vastly different form, making it almost impossible to work out what the swallowed objects once were.

“It would be worse than trying to reconstruct a book that you burned from its ashes,” says Page. In his paper, Hawking compares it to trying to forecast the weather ahead of time: in theory it is possible, but in practice it is too difficult to do with much accuracy.


I did like one reply in the Comments column on the linked page of the OP:

Raven Starose • 2014-01-24 10:42 PM

This may be considered heretical.... But problems like this only arise because we're using remarkably old theories and equations. If we are to advance in any real meaningful way, we need to accept the fact that some of our most fundamental laws of science may actually be wrong. I'm ready to burn now.



http://www.nature.com/news/stephen-hawking-there-are-no-black-holes-1.14583

Just a thought, maybe we have the mindset of ants trying to reverse engineer a Boeing Dreamliner? :mrgreen:

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PostSat Jan 25, 2014 7:20 pm » by Cosmine


Scientists will go to the most extremes.... to protect "theirs " maps of reality.... :twisted:


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PostSat Jan 25, 2014 10:05 pm » by Cia212


Cosmine wrote:Scientists will go to the most extremes.... to protect "theirs " maps of reality.... :twisted:


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:cheers:

Isn't he wrong at 1:44? Time on Earth as observed by the people in the rocket would speed up, not slow down. That's why an astronaut returning from a year-long near-light speed trip in a rocket would find several years have passed on earth.

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PostSat Jan 25, 2014 10:40 pm » by Spock


I love it when academia backpedals! There is a truth beyond what our minds have achieved and the further we go, the more "science" falls on it's ass.


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PostSat Jan 25, 2014 11:17 pm » by Cosmine


Cia212 wrote:
Cosmine wrote:Scientists will go to the most extremes.... to protect "theirs " maps of reality.... :twisted:


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Isn't he wrong at 1:44? Time on Earth as observed by the people in the rocket would speed up, not slow down. That's why an astronaut returning from a year-long near-light speed trip in a rocket would find several years have passed on earth.





Nothing is impossible nor wrong..... it's all in the mind...

I take it like a teenage discovering the world around him.

The way someone perceives the world, make the difference in between being a spectator or a player.... :twisted:



PS Spock you know i had nde's.... and i still don't get it right...... :headscratch:






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PostSat Jan 25, 2014 11:23 pm » by Opalserpent


Noentry wrote:This is very interesting.

This theory if true is in direct confrontation with contemporary science.

If this is true can this be proof that the speed of light can be broken?
Or is there forms of energy or matter that gravity has no effect over?

Tjahzi great find.
:cheers:



Yeah good post.

Just another nail in contemporary bs science.

Hopefully pulsars are next on the list of bs science theories. :rtft:
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PostSat Jan 25, 2014 11:31 pm » by Tjahzi


Made me really think of this presentation.


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Think I'll buy me that book one day soon :mrgreen:

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