Notices
Results 1 to 5 of 5

Thread: "The Black Hole at the Beginning of Time"

  1. #1 "The Black Hole at the Beginning of Time" 
    Forum Junior
    Join Date
    Sep 2010
    Location
    92
    Posts
    217
    Hi Friends:

    The August 2014 issue of Scientific American features a cover story entitled "The Black Hole at the Beginning of Time." The authors Niayesh Afshordi, Robert B. Mann, and Razieh Pourhasan have come up with the idea that the universe we live in is a 3D hologram resulting from the collapse of a star into a black hole. That star and the universe it existed in had four spatial dimensions. This hypothesis, the authors assert, can answer the riddle about where the universe came from and what caused the Big Bang.

    As extravagant as this idea may appear to be, the authors offer ways in which it may be tested. They say we can study the cosmic microwave background (CMB) radiation looking for thermal fluctuations as evidence for extra four-dimensional bulk matter. Also, if the large-scale structure of the universe appeared different in different directions, it may be evidence of the spinning four-dimensional black hole that birthed the cosmos.

    In any case, this work may be a milestone in our long quest to finally understand why our universe exists. I'm hoping that science succeeds in answering the question that religion and philosophy failed to answer satisfactorily: Where did the world come from?

    Jagella


    Reply With Quote  
     

  2.  
     

  3. #2  
    not ADM!N grmpysmrf's Avatar
    Join Date
    Jan 2014
    Location
    Southern California
    Posts
    1,564
    I saw this headline a few months back but I don't understand how it affects us and what exactly "living in a hologram" means to all of us.


    "Should any political party attempt to abolish social security, unemployment insurance and eliminate labor laws and farm programs, you would not hear of that party again in our political history. There is a tiny splinter group, of course, that believes that you can do these things. Among them are a few Texas oil millionaires, and an occasional politician or businessman from other areas. Their number is negligible and they are stupid."
    President Dwight Eisenhower
    Reply With Quote  
     

  4. #3  
    Forum Junior
    Join Date
    Sep 2010
    Location
    92
    Posts
    217
    Quote Originally Posted by grmpysmrf View Post
    I saw this headline a few months back but I don't understand how it affects us and what exactly "living in a hologram" means to all of us.
    As science advances it tends to defy what may seem reasonable or good to us. This new view of the Big Bang is Copernican in that it takes us that much farther away from what might make us seem special. First the earth was unseated from the center, then the galaxy, now the observable universe may be just one of many or even an infinite number of cosmos. The price of truth is often humility.

    That's what it means to me.

    Jagella
    Reply With Quote  
     

  5. #4  
    not ADM!N grmpysmrf's Avatar
    Join Date
    Jan 2014
    Location
    Southern California
    Posts
    1,564
    I meant scientifically.
    "Should any political party attempt to abolish social security, unemployment insurance and eliminate labor laws and farm programs, you would not hear of that party again in our political history. There is a tiny splinter group, of course, that believes that you can do these things. Among them are a few Texas oil millionaires, and an occasional politician or businessman from other areas. Their number is negligible and they are stupid."
    President Dwight Eisenhower
    Reply With Quote  
     

  6. #5  
    Forum Masters Degree Implicate Order's Avatar
    Join Date
    Oct 2013
    Location
    27.4679 S, 153.0278 E
    Posts
    610
    The principle of holography in relation to current speculative areas of cosmology relate to the notion that there is a symmetry between the information contained on a lower dimensional geometrical boundary to the information contained in the higher dimensional bulk within which the boundary encapsulates.

    The holographic principle in cosmology bears a resemblance to how holograms work. One of the things that makes holography possible is the phenomenon of interference. Any wavelike phenomena can create an interference pattern such as light. Lasers are an extremely pure form of coherent light source especially good at creating interference patterns. A hologram is produced when a single laser light beam is split into two separate beams. The first beam is bounced off an object to be photographed and the reflected light is then merged with the second beam. The information of the object is contained in the reflected beam and the merged interference associated with joining back with the second beam is then recorded on a photographic plate (holographic film). To the naked eye the photographic plate is just a flat plate but the information of the object is encoded in the interference on the plate. When you shine another laser beam through the photographic plate a virtual 3D image of the object is then projected from the plate. Interestingly, if the holographic film is cut in half then illuminated again, each half still retains the entire image of the object and so on and so forth. Vast information can be stored in a very small area on a lower dimensional boundary that can render information required to describe a higher dimensional state.

    The notion of holography in cosmology arose from hypothesis emanating from quantum descriptions of black hole through a concept known as the Beckenstein bound and has been adapted by the string theory camp through the adS/CFT correspondence and also lately by those theoretical physicists looking at causal dynamic triangulation where each observer occupies a distinct point in spacetime surrounded by a distinct hubble volume. The information available to each observer in the bulk is the same as that contained on the boundary.
    Quidquid latine dictum, altum videtur
    Reply With Quote  
     

Similar Threads

  1. Optical black holes: "Hawking radiation"?
    By chenopodium in forum Physics
    Replies: 2
    Last Post: April 15th, 2012, 06:28 AM
  2. "Dating" posts split from "Purpose of life" thread
    By Christopher Ball in forum Pseudoscience
    Replies: 155
    Last Post: October 16th, 2011, 05:37 AM
  3. "Dating" posts split from "Purpose of life" thread
    By Christopher Ball in forum Earth Sciences
    Replies: 90
    Last Post: October 11th, 2011, 10:35 AM
  4. Black hole and "bubble of hot gas"
    By Steiner101 in forum Physics
    Replies: 3
    Last Post: July 18th, 2010, 05:37 AM
  5. new scientist: "time gains an extra dimension"
    By streamSystems in forum Physics
    Replies: 35
    Last Post: October 18th, 2007, 05:05 AM
Bookmarks
Bookmarks
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •