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Could Photons Travel Through Time Using Wormholes?
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[quote:Anonymous Coward 58461374:MV8yNTU2ODEyXzQ0NDEwNzUxXzMwODVGQ0RF] Wormholes would allow for transport of particles from one place to another within the same timestream, however it would not zap any particle forward or backward in time. The particles would not be travelling at faster than light speeds, only at their allowable velocity. The illusion of faster than light travel is present only because of the link between two (or more) places and particle arrival time being much shorter than conventional travel. [/quote]
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Of all the things science fiction has portrayed, time travel is by far the coolest. Sadly, reality and the laws of physics that come with it have basically eliminated all hope of a wormhole opening up and allowing us to travel through time… unless you’re a photon. Luke Butcher of the University of Cambridge has written a paper, describing a potential form of a wormhole that could be held open long enough to allow a photon to pass through. The paper has been submitted to the journal Physical Review D and has been published on arXiv.org in an open access format.
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