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  1. The Speed of Light May FluctuateTwo forthcoming EPJ D papers challenge established wisdom about the nature of vacuum. In one paper, Marcel Urban, from the Univ. of Paris-Sud, and his colleagues identified a quantum level mechanism for interpreting vacuum as being filled with pairs of virtual particles with fluctuating energy values. As a result, the inherent characteristics of vacuum, like the speed of light, may not be a constant after all, but fluctuate. Meanwhile, in another study, Gerd Leuchs and Luis Sánchez-Soto, from the Max Planck Institute for the Physics of Light in Erlangen, Germany, suggest that physical constants, such as the speed of light and the so-called impedance of free space, are indications of the total number of elementary particles in nature.Read more: http://www.laboratoryequipment.com/news/2013/03/speed-light-may-fluctuate

    The Speed of Light May Fluctuate

    Two forthcoming EPJ D papers challenge established wisdom about the nature of vacuum. In one paper, Marcel Urban, from the Univ. of Paris-Sud, and his colleagues identified a quantum level mechanism for interpreting vacuum as being filled with pairs of virtual particles with fluctuating energy values. As a result, the inherent characteristics of vacuum, like the speed of light, may not be a constant after all, but fluctuate. Meanwhile, in another study, Gerd Leuchs and Luis Sánchez-Soto, from the Max Planck Institute for the Physics of Light in Erlangen, Germany, suggest that physical constants, such as the speed of light and the so-called impedance of free space, are indications of the total number of elementary particles in nature.

    Read more: http://www.laboratoryequipment.com/news/2013/03/speed-light-may-fluctuate

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