Scientists say humans can travel back in time via a ring wormhole

Theoretical physicists have a lot in common with lawyers. Both spend a lot of time looking for loopholes and inconsistencies in the rules that might be exploited somehow, reports

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Valeri P. Frolov and Andrei Zelnikov from the University of Alberta in Canada and Pavel Krtouš from Charles University in Prague probably couldn’t get you out of a traffic fine, but they may have uncovered enough wiggle room in the laws of physics to send you back in time to make sure you didn’t speed through that school zone in the first place.

Shortcuts through spacetime known as wormholes aren’t recognized features of the cosmos. But for the better part of a century, scientists have wondered if the weft and warp instructed by relativity prescribe ways for quantum ripples – or even entire particles – to break free of their locality.

At their most fantastic, such reconfigurations in the fabric of the Universe would allow human-sized masses to traverse light-years to cross galaxies in a heartbeat or perhaps move through time as quickly as one might move through their kitchen.

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At the very least, exercises that probe the more exotic side of spacetime behavior could guide speculation over the mysterious meeting point of quantum physics and the general theory of relativity.

Wormholes are, in effect, little more than shapes. We’re used to dealing with single-dimensional lines, two-dimensional drawings, and three-dimensional objects in everyday life. Some we can intuitively fold, mold, and poke holes in.

Physics allows us to explore these changes in situations we can’t intuitively explore. On the smallest of levels, quantum effects give distances and time some wiggle room.

On much larger scales, spacetime can shrink and expand in relation to gravity in ways that are impossible to appreciate without a whole bunch of equations to guide you.

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For example, cram enough mass in one place (conveniently ignoring any charge it might have, or if it spins around), spacetime will bend in ways that give it two exterior surfaces. What connects them? A wormhole, of course.

Matter wouldn’t be able to move across this mathematical structure, though some suspect objects on either side that happen to be entangled would remain linked.

Over the decades, the search has been on for scenarios – both possible and purely theoretical – that could allow for quantum effects, and even whole particles, to journey through exotic shapes of spacetime unscathed.

Frolov, Krtouš, and Zelnikov’s time warp proposal involves what’s known as a ring wormhole, first described in 2016 by the University of Cambridge theoretical physicist Gary Gibbons and University of Tours physicist Mikhail Volkov.

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Distinct from spherical contortions of spacetime we might attribute to black holes, the ring wormhole proposed by Gibbons and Volkov connects patches of the Universe (or different universes, for that matter) that are what we call flat.

Considering interactions of electrical and magnetic fields called duality rotations and applying some choice transformations, ring-shaped masses could create some interesting distortions in what would otherwise be flat spacetime.

And voilà! A hole in the Universe that connects you to … well, somewhere not nearby.

Frolov, Krtouš, and Zelnikov took this hole and ran it through different scenarios. Like, what effect might another, non-moving mass have on the ring? And what if the entry ring and exit ring are in the same universe?

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The solutions they uncovered included what’s known as a closed timelike curve. Just as it sounds, it describes an object or ray of light that travels along a line, returning to the exact same point as before. Not only in space but time as well.

Before you pack for a paradoxical round trip to the future and back, many obstacles could easily prevent such a loop. The late physicist Stephen Hawking certainly thought so.

But who knows? With the right kind of cosmic lawyer, we just might be able to appeal our sentence of a one-way trip into the future with a bit of help from a massive pair of rings.

This research is available on preprint server arXiv and has been accepted to be published in Physical Review D.

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Jake Carter

Jake Carter is a researcher and a prolific writer who has been fascinated by science and the unexplained since childhood.

He is not afraid to challenge the official narratives and expose the cover-ups and lies that keep us in the dark. He is always eager to share his findings and insights with the readers of, a website he created in 2013.

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