The arXiv blog reports that unwrapping compactified dimensions might enable the space-time distortions that allow an Alcubierre warp drive to circumvent the speed of light.
I'm not qualified to assess its theoretical basis, but clearly the concept is highly speculative. As of this writing there is no experimental evidence for compactified dimensions.
Nevertheless, the development reinforces the caveat that it is reckless to shout "HERE WE ARE!!" into the cosmos.
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