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Cosmologists using a “braneworld” model of the early universe called Dirac-Born-Infeld inflation said that a new satellite might be able to detect the shadow of extra dimensions in the cosmic microwave background, thus providing the first experimental evidence for string theory.

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Cosmologists using a “braneworld” model of the early universe called Dirac-Born-Infeld inflation said that a new satellite might be able to detect the shadow of extra dimensions in the cosmic microwave background, thus providing the first experimental evidence for string theory.

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