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Thursday, November 18, 2004

There was Light



Maxwell's equations are also about half an inch long. For example, Maxwell's equations say that the "four-dimensional divergence of an antisymmetric, second-rank tensor equals zero." That's Maxwell's equations, the equations for light. And in fact, at Berkeley, you can buy a T-shirt which says, "In the beginning, God said the four-dimensional divergence of an antisymmetric, second rank tensor equals zero, and there was Light, and it was good."

A lot of times it is not easy to "focus" on other then, legitmate toy models of Feynman? Anything arising from the Planck Epoch had to be understood as it arose through to cosmic expression?









If you do not follow this history, you will never understand what Nima Arkani-Hamed, Sava Dimopoulos, and Gia Dvali been doing with extra dimensions. There is a conceptual feature here that I have spoken too in regards to gravity that few understand.

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