Time travel ‘Technically possible’ says expert—but only if you are going back in time

‘…nothing is forbidding it’ in the laws of theoretical physics.” We would basically need to create a wormhole in such a way that one end of it remained almost entirely motionless, while its other end moves at speed almost equal to the speed of light.

Time travel has only been possible in science fiction books, and conspiracy theories. Both genres are filled with stories and theories on how to travel in time.

And despite the fact that time travel is a concept familiar to modern society, the truth is that tales of time travel can be traced back thousands of years back to ancient civilizations from Asia, to the Americas.

Despite the fact that we have made an incredible technological advancement in the last couple of decades, we have still been unable to explain and demonstrate how time travel would be possible.

Some scientists have argued it’s not.

However, we might be able to travel in time after all, according to an astrophysicist who says its theoretically possible, and there are no limitations.

The rules of theoretical physics have certain conditions that would allow for the creation of ‘wormholes’ which would eventually allow ‘humans’ to travel back to different areas.

Astrophysicist Ethan Siegel of Lewis & Clark College wrote the Forbes blog Starts With A Bang:

“While we still haven’t discovered the conditions we need to travel back in time and find the necessary means by which we can create a large enough system for humans to do so, ‘nothing is forbidding it’ in the laws of theoretical physics.”

Is time travel possible? Image credit: Wikimedia Commons

As explained by the expert, traveling backward in time would rely on the baffling equivalent to positive energy / positive or zero mass particles found across the cosmos, the negative mass/energy particles, which have long been theorized by experts but never yet identified.

“If this negative mass/energy matter is real, then building both a supermassive black hole and the negative mass/energy equivalent to it, while then connecting them, should make it possible for a traversable wormhole to become reality,” Siegel explains.

“No matter how far apart you took these to connected objects from one another, if they had enough mass/energy – of both the positive and the negative kind – this instantaneous connection would remain.”

The theory sounds just like science fiction.

We would need to build a wormhole in such a way that one end of it remained almost entirely motionless, while its other end moves at speed almost equal to the speed of light.

We would need to create an elaborate system of wormholes in order to travel back in time. Image Credit: Shutterstock

A piece of cake, right?

If we were to create such a system, theoretically a person may be able to travel backward in time.

So how would we travel back in time, if we were to build such a complex system?

Dr. Siegel explains it in a scenario with a destination located 40 light years away.

After one year has passed, the fast-moving end of the wormhole would have gone through 40 years, while the other end would have only experienced a year go by.

“If 40 years ago, someone had created such a pair of entangled wormholes and sent them off on this journey, it would be possible to step into one of them today, in 2017, and wind up back in time at the mouth of the other one… back in 1978,” Siegel writes.

“The only issue is that you yourself couldn’t also have been at that location back in 1978; you needed to be with the other end of the wormhole, or traveling through space to try and catch up with it.”

Source: How Traveling Back In Time Could Really, Physically Be Possible

Featured image: Shutterstock

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