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SciTech

Has Stephen Hawking just solved a huge black-hole mystery?

​MIKE WALL /SPACE.COM
Aug 26, 2015 1


Stephen Hawking may have just solved one of the most vexing mysteries in physics -- the "information paradox."

Einstein's theory of general relativity predicts that the physical information about material gobbled up by a black hole is destroyed, but the laws of quantum mechanics stipulate that information is eternal. Therein lies the paradox.

Hawking -- working with Malcolm Perry, of the University of Cambridge in England, and Harvard University's Andrew Stromberg -- has come up with a possible solution: The quantum-mechanical information about infalling particles doesn't actually make it inside the black hole.

"I propose that the information is stored not in the interior of the black hole, as one might expect, but on its boundary, the event horizon," Stephen Hawking said during a talk Thursday at the Hawking Radiation conference, which is being held at the KTH Royal Institute of Technology in Stockholm, Sweden.

The information is stored at the boundary as two-dimensional holograms known as "super translations," he explained. But you wouldn't want super translations, which were first introduced as a concept in 1962, to back up your hard drive.

"The information about ingoing particles is returned, but in a chaotic and useless form," Hawking said. "For all practical purposes, the information is lost."

Hawking also discussed black holes -- whose gravitational pull is so intense that nothing, not even light, can escape once it passes the event horizon -- during a lecture Aug. 24 in Stockholm.

It's possible that black holes could actually be portals to other universes, he said.

"The hole would need to be large, and if it was rotating, it might have a passage to another universe. But you couldn't come back to our universe," Hawking said at the lecture, according to a KTH Royal Institute of Technology statement. "So, although I'm keen on spaceflight, I'm not going to try that."

this would only apply if there is any information to be stored in the first place...

still not sure where they came up with this "information" storage in a black hole anyway....

kinda seems like it's the same as spending years thinking about about how high Pegasus can fly...

The the evidence of the existence of more than one universe is . . . ?

0...

This was resolved by Jules Verne in a short story about a Doctor cycling down a country lane...

In short a nasty fall off his bike killed him. He was buried forgotten and lost. His body once again part of the Earth. Infinite times later the whole universe fell back on itself before it exploded in a big bang where all the Stars and worlds reformed.

Later there was a Doctor walking down the road, with a strange aversion to cycling...

Personally I think Dr. Hawking has been stuck inside his own little universe for too long.

I'm a Physics student and it seems fishy to me. Hawking is a smart guy, but I have to ask. What does the article mean by "information" It's all a little too vague, I understand that article is trying to reach out to the layman so is not using proper scientific language, but if even a Physicist cannot understand this, how can the layman?

good, and i thought i was getting dumber...

Steven hawking has a thing for black holes

Altho at times he seems to be an A hole