Stephen Hawking's final scientific paper has been released by physicists who worked with the late cosmologist in his decades-long effort to understand what happens to information that falls into black holes.
Days before Hawking's death, Perry reportedly called the ailing physicist to give him an update.
Selling had contended that dark openings have a temperature.
Any object that has a temperature also has an entropy', Professor Perry wrote in an article in the Guardian.
Apparently, if it's proven that the information disappears together with the black hole, it would contradict the quantum theory which states that nothing is really ever lost.
In the most recent paper, Hawking and his partners indicated how a portion of the data might be protected. The classical view of physics regarding black holes told us that nothing, not even light, could escape their grasp. "This work summarizes the status of our long-term project of large diffeomorphisms, "soft hair" and the quantum structure of black holes".
However, the evaporation of black holes throws up profound questions regarding the nature of information.
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Hawking argued that because black holes have temperature and hot objects ultimately lose their heat in space, black holes eventually evaporate and disappear.
Among the unknowns that Perry and his colleagues must now explore are how information associated with entropy is physically stored in soft hair and how that information comes out of a black hole when it evaporates.
The physicists show in their paper that a black hole's entropy may be recorded by photons that surround the black hole'sevent horizon, the point at which light can not escape the intense gravitational pull. "He knew the final result", he said. Entropy is a measure of the number of different ways the microscopic constituents of a black hole can arrange themselves.
"However, this does not resolve the paradox". "It's telling you that soft hair really is doing the right stuff".
This new theory shows that the entropy of the black hole present in the photons can able to bounce around the event horizon.
Strominger concluded that "this is excellent progress, but we have much work yet to do".
From Stephen Hawking's PhD thesis, Properties of expanding universes. "The authors have to make several non-trivial assumptions so the next steps will be to show that these assumptions are valid".
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On the left, as we walk, there's a mattress slumped at the roadside, on the right a Dean Noontz novel lies in the dirt. Zahralban said searchers were trying to determine if that person had been alone or was part of a family.
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