Recent content by The hermit

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    Graduate What is the significance of Calabi-Yau spaces in modern string theory?

    Hello, Physicists have formulated a "Calabi-Yau space", to show the supplementary dimensions in the string theory. But this space have six dimensions, and the M theory, the presentest string theory, have seven supplementary dimensions... So, what is this Calabi-Yau space in the string...
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    Undergrad Does the equation E=mc2 prove that energy and mass are equivalent?

    The Einstein's equation is right for inert particle only. Yet a photon has a kinetic energy only, so a nil energy at pause. The complete equation is E²=m²c4+p²v²