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| Posted by
Samuel A. (Sam) Cox on January 23, 2005 at 11:16:55 (Message posted from "unknown" at 64.12.116.196) - explanation In Reply to: "Re: What "singular" means" posted by Newbian on January 23, 2005 at 08:04:57
The importance of semantics, or word meaning! Here's another one: In GR, each of the frames of reference in our universe by definition is invariant, in fact every photon based energy density based frame of reference in the universe is invariant. In 4D, without a cosmological constant to keep the system static, nothing about the universe is invariant. In fact, since ANY 4D universe has increasing entropy and thus a beginning and ending, no frame of reference is really invariant in the truest semantic sense of that words meaning. If my death is the end of my existence, how can I claim to be invariant? It is laughable. Moreover, a 4D universe must be infinitely massive, with all the contradictions that implies, and there can be no law of conservation of matter and energy, cosmologiclally.(Max Tegmark has been working this infinite parallel universe idea because he well understands the constraints of cosmological models) In 7D and up with 7D Schwarzschild Geometry and a 7D Einstein Connection, each frame of reference becomes automatically invariant- withour a cosmological constant. A stable finite universe becomes possible, with a viable first law. Einstein understood the universe "between his ears", and laughingly said that when the "mathematicians discovered GR, he wasn't sure HE understood it anymore!" Of course, Einstein understood the math of GR better than anyone else. His point was that a model has to be conceptualized first, and then reduced to mathematics and extended from there. |
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