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Thread: "An Exceptionally Simple Theory of Everything"

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    Η καμπύλη που ακολουθεί ένα μόριο αερίου και η τροχιά ενός πλανήτη καθορίζονται με τον ίδιο τρόπο - η μόνη διαφορά μεταξύ τους προέρχεται από την δική μας άγνοια. Pierre Simon de Laplace


    General relativity typically deals with situations involving large mass objects in fairly large regions of spacetime whereas quantum mechanics is generally reserved for scenarios at the atomic scale (small spacetime regions). The two are very rarely used together, and the most common case in which they are combined is in the study of black holes. Having "peak density", or the maximum amount of matter possible in a space, and very small area, the two must be used in synchrony in order to predict conditions in such places; yet, when used together, the equations fall apart, spitting out impossible answers, such as imaginary distances and less than one dimension.

    The major problem with their congruence is that, at sub-Planck (an extremely small unit of length) lengths, general relativity predicts a smooth, flowing surface, while quantum mechanics predicts a random, warped surface, neither of which are anywhere near compatible. Superstring theory resolves this issue, replacing the classical idea of point particles with loops. These loops have an average diameter of the Planck length, with extremely small variances, which completely ignores the quantum mechanical predictions of sub-Planck length dimensional warping, there being no matter that is of sub-Planck length.
    http://en.wikipedia.org/wiki/Superstring_theory
    http://en.wikipedia.org/wiki/String_theory
    Last edited by Vassilis; 02-19-2008 at 03:49 AM.

  2. Arrow the beat of a different drum

    Last edited by Vassilis; 02-19-2008 at 06:24 PM.

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    The first person to add a fifth dimension to Einstein's general relativity was German mathematician Theodor Kaluza in 1919. The reason for the unobservability of the fifth dimension (its compactness) was suggested by the Swedish physicist Oskar Klein in 1926 (see Kaluza–Klein theory). These predictions would set the foundation for string theory by introducing the concept of extra dimensions
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    http://en.wikipedia.org/wiki/String_theory#History

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    Swedish physicist Oskar Klein


    The Klein-Gordon equation (Klein-Fock-Gordon equation or sometimes Klein-Gordon-Fock equation) is the relativistic version of the Schrödinger equation, which is used to describe spinless particles. It was named after Oskar Klein and Walter Gordon.
    http://en.wikipedia.org/wiki/Klein-Gordon_equation


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