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The universe is a giant hologram, and us its projection?
Okay, can someone, in simple but scientific language,
and lacking any taint of cosmological fanaticism, explain to me what the heck is going on here? http://www.newscientist.com/article/...am.html?page=1 or http://preview.tinyurl.com/8yzeyu "The 'holographic principle' challenges our sensibilities. It seems hard to believe that you woke up, brushed your teeth and are reading this article because of something happening on the boundary of the universe. No one knows what it would mean for us if we really do live in a hologram, yet theorists have good reasons to believe that many aspects of the holographic principle are true." xanthian. For one thing, aren't we beyond the speed of light horizon for "the edge of the universe" due to inflation? |
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The universe is a giant hologram, and us its projection?
On Mon, 19 Jan 09 09:04:56 GMT, Kent Paul Dolan
wrote: Okay, can someone, in simple but scientific language, and lacking any taint of cosmological fanaticism, explain to me what the heck is going on here? http://www.newscientist.com/article/...am.html?page=1 or http://preview.tinyurl.com/8yzeyu fo ra less gee-whiz rendition of the concept, try this: http://lanl.arxiv.org/abs/hep-th/9409089 The World as a Hologram by L. Susskind "According to 't Hooft the combination of quantum mechanics and gravity requires the three dimensional world to be an image of data that can be stored on a two dimensional projection much like a holographic image. The two dimensional description only requires one discrete degree of freedom per Planck area and yet it is rich enough to describe all three dimensional phenomena" Perhaps the analogy to Green's Theorem may help. The New Scientist's version which ascribes reality to what may be considered only representation certainly does not help. |
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