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Burst of support for relativity

Light from a distant γ-ray burst backs up a key prediction of Albert Einstein's theory of relativity — that photon speed is the same regardless of energy. But it might set the stage for evolution of the theory.

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Figure 1: Quanta and pointillism.



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Amelino-Camelia, G. Burst of support for relativity. Nature 462, 291–292 (2009).

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