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Science/Tech
See other Science/Tech Articles

Title: Has Stephen Hawking Been Wrong For The Last 30 Years?
Source: openculture.com
URL Source: http://www.openculture.com/2007/03/has_stephen_haw.html
Published: May 17, 2011
Author: ?
Post Date: 2011-05-17 21:30:59 by Armadillo
Keywords: None
Views: 699
Comments: 33

With his cutting-edge research on black holes in the 1970s, Stephen Hawking emerged as a major player in the physics world. Then, with the 1988 publication of the bestseller, A Brief History of Time, Hawking achieved international celebrity status.

As this BBC presentation shows, Hawking’s fame might rest on weaker foundations than most could have imagined. Several important physicists, including Leonard Susskind here at Stanford (see our previous references to him), zeroed in on Hawking’s major contention that, when black holes disappear, they take along with them all information that ever existed inside them, which leads to the logical conclusion that there are clear limits to what scientists could ever know about black holes. After 20 years of debate, the Susskind camp seems to have won out, leaving Hawking’s legacy in question.

Click for Full Text!


Poster Comment:

Shhhhhh, dont tell the Hawking worshipers.

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Begin Trace Mode for Comment # 29.

#2. To: Armadillo (#0) (Edited)

Called the Hawking paradox, he solved it himself demonstrating that no information was lost.

In July 2005, Stephen Hawking published a paper and announced a theory that quantum perturbations of the event horizon could allow information to escape from a black hole, which would resolve the information paradox. His argument assumes the unitarity of the AdS/CFT correspondence which implies that an AdS black hole that is dual to a thermal conformal field theory. When announcing his result, Hawking also conceded the 1997 bet, paying Preskill with a baseball encyclopedia "from which information can be retrieved at will". However, Thorne remains unconvinced of Hawking's proof and declined to contribute to the award.

farmfriend  posted on  2011-05-17   21:36:57 ET  Reply   Untrace   Trace   Private Reply  


#20. To: farmfriend (#2)

OMG! You poor man! Take your pets with you and save the money on the insurance.

Can you put this in human terms.

tom007  posted on  2011-05-18   19:49:01 ET  Reply   Untrace   Trace   Private Reply  


#23. To: tom007 (#20)

Can you put this in human terms.

I could if I fully understood it. It was well explained in the documentary mentioned above. From what I get of my own post he says that information can escape because of the turbulence on the event horizon. I'm not buying it. There is a lot we don't know about black holes and physics in general. There are even questions about the interior of our sun. Some believe, and there is evidence to support the idea, that our sun is a neutron star with an iron core rather than the big ball of hydrogen claimed today. Personally I think we are due for a big break through.

farmfriend  posted on  2011-05-18   19:56:16 ET  Reply   Untrace   Trace   Private Reply  


#24. To: farmfriend (#23)

There are even questions about the interior of our sun.

I stopped reading right there.

You are an unusual FF.

What's your crop?

tom007  posted on  2011-05-18   20:00:06 ET  Reply   Untrace   Trace   Private Reply  


#25. To: tom007 (#24)

What's your crop?

Politics. I was Legislative Director for the California State Grange.

farmfriend  posted on  2011-05-18   20:02:42 ET  Reply   Untrace   Trace   Private Reply  


#28. To: farmfriend (#25)

What's your crop?

Politics. I was Legislative Director for the California State Grange.

You were a farmers lobby??

Great!!

tom007  posted on  2011-05-18   20:34:48 ET  Reply   Untrace   Trace   Private Reply  


#29. To: tom007 (#28)

You were a farmers lobby??

Yes.

farmfriend  posted on  2011-05-18   20:54:42 ET  Reply   Untrace   Trace   Private Reply  


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