Is-Time-Travel-Possible
Photo © 1985 DeLorean DMC-12, Back to the Future

Is Time Travel Possible? Answer of the scientists to this enigma of all time

Time Travel

Scientists claim that, at least at the theoretical level, time travel is possible. There is no mathematical reason to show that a time machine cannot go beyond time and return to the past, they suggest.

The study, Traversable acausal retrograde domains in spacetime, was conducted by mathematicians at the University of British Columbia and the University of Maryland and proposes a mathematical model that could allow for the creation of a time machine.

“In this research, we present the geometrical data that could fit the description of the time machine. This is practically a box that allows us to travel in the past and in the future through space and time, “

                                                                          – notes mathematicians.

Even if some people see this machine as a fictitious thing, things are not exactly that. “From a mathematical point of view, it is possible to travel in time,” said one of the researchers, Ben Tippett. Any time machine should be able to make the time-space disappear – the connection between time and physical dimensions, such as width, depth, or height. Previous research shows that large-scale gravitational forces, such as those emitted by black holes, may slow downtime. The model of these scientists is based on a similar idea. A strong force interrupts time and transforms time into something circular for passengers, which means that people can travel at a speed higher than the speed of light and thus may turn over time. While the construction of a time machine could theoretically be possible, researchers say it is unlikely that anyone will ever get it. Materials are needed that man has not reached so far and which should be discovered.

A mathematical equation makes it possible to Time Travel

Ben Tippett, assistant professor of mathematics and physics at UBC Okanagan (University of British Columbia), Canada, recently published an article on the feasibility of travel over time, according to phys.org. Tippett, whose field of expertise is Einstein’s relativity theory, studies black holes and science fiction in his spare time. Using mathematics and physics, he has created a formula that describes the method by which he can travel in time.

“People think about travelling over time that it’s a fiction,” says Tippett. “And we have a tendency to believe that it is not possible because we can not actually do that, but mathematically it is possible,” he said.

Time Travel
Rod Taylor in The Time Machine (1960)
The term “time machine”, coined by Wells, is now universally used to refer to such a vehicle. Wells introduces an early example of the Dying Earth subgenre as well.
Time Travel
The Time Machine is a novella by H. G. Wells, first published in 1895

Since HG Wells published The Time Machine in 1885, people became interested in time travel and the researchers tried to solve or reject the theory, Tippett recalls. In 1915, Albert Einstein presented his general theory of relativity to the public. According to this, the gravitational fields are generated by distortions in the space and time structure. More than 100 years later, LIGO Scientific Collaboration – an international team of physical institutes and research groups – has announced that it has detected the gravitational forces generated by black hole collisions at billions of light-years away, confirming Einstein’s theory.

Splitting the space into three dimensions, with separate time in its own dimension, is incorrect, Tippett says. The four dimensions must be imagined separately, where different directions are connected, as a continuous space-time. Using Einstein’s theory, Tippett says the space-time curve counts for the curves of the planets. In flat or non-turbulent space-time, planets and stars would move in straight lines. In the vicinity of a large star, the space-time geometry becomes curved, and the straight trajectories of nearby planets follow the curvature and surround the star.

“The time-space direction of the space-time surface also shows a curvature There is evidence that the closer we approach a black hole, the slower the flow of time My model of the time machine uses the space-time curve, to curb the time in a circle for passengers. That circle brings us back in time, “

                                                                                                                                       – Tippett explained.

While conceiving such a time machine is possible using a mathematical equation, Tippet has doubts that such a machine that works will ever be built by someone.

“HG Wells has popularized the term time machine and made people think that an explorer would need a car or a special box to make the journey in time. If it is feasible from a mathematical point of view, but building a time machine is not yet possible because we need materials that we call exotic materials that shape the space-time dimension and have not yet been discovered, “

                                                                                                                                              – Tippett also said.

In his research, Tippett created a mathematical model -Traversable Acausal Retrograde Domain in Space-time (TARDIS). He describes it as a bubble of space-time geometry that moves its content back and forth through space and time as if circling a circle. The bubble moves through the space-time dimension faster than the speed of light, allowing time to go back.

“Exploring the space-time dimension is both fascinating and challenging, and it is also a fun way to use mathematics and physics.” Experts in the field have explored the idea of mathematical time machines since 1949. My research presents a new method for to do so, “

                                                                                                                                                    – Tippett said.

Time Travel Paradox

Stephen Hawking says yes, it is possible, and these (theoretical) shortcuts are called wormholes.

They are like tunnels and there are everywhere, but they are extremely small, impossible to detect. Their existence is predicted by Einstein’s relativity theory.

His research has recently been published in IOPscience journal Classical and Quantum Gravity.

Worm galleries are formed in the smallest gaps, creased early, called “quantum foam,” much smaller than an atom.

Here these tiny tunnels appear, disappear and resurrect, uniting two different places or different times in the quantum world.

Time Travel
Stephen William Hawking (1942 - 2018) was the former Lucasian Professor of Mathematics at the University of Cambridge and author of A Brief History of Time

Theoretically, these tunnels could be extended at some point, with the help of superior technology, so that a man can go through them. If we do that, Hawking says, we could travel incredibly distant to other planets, or overtime, to see how our planet looked like in dinosaurs. But the idea of travelling in the past gives rise to many paradoxes that can not be solved. The best known is the grandfather’s paradox: someone is travelling in the past and killing his grandfather before he conceives the one who would be his father.

Therefore, the person returning in time would not exist, return in time, and kill his grandfather. Hawking thinks that anyway these wormholes if they could be raised enough to allow the journey in time, would not last long enough. They would be destroyed by the natural radiation that will come through them. The scientist also says that a trip in the past would not be possible because of these paradoxes, but a journey in the future could eventually become reality.


Facts:

Short History of Travels in Time
  • 1895 – H.G. Wells writes the novel The Time Machine, the starting point of the modern SF.
  • 1905 – Albert Einstein publishes his first paper on the theory of relativity, demonstrating that time can be slowed down.
  • 1915 – Einstein completes his theory, showing that gravity also has the ability to dilate time.
  • 1937 – Van Stockholm calls on the theory of relativity to demonstrate that by using the gravitational field of a giant cylinder, we could invent the time machine.
  • 1949 – Kurt Godel launches the idea that, if the whole Universe turns, returning in time would be possible.
  • 1957 – John Archibald Wheeler writes a conjecture about the existence of wormholes but no one takes it seriously.
  • 1968 – Wheeler invents the term black hole “empty portion of space and time where the gravitational field is so intense that any path of light rays cleared.”
  • 1986 – Carl Sagan publishes the Contact novel, in which a wormhole is used as a time machine.
  • 1988 – After reading the Contact novel, Kip Thorne searches Sagan’s point most seriously and confirms that the writer has guessed the truth.
  • 1990 – Stephen Hawking intervenes against the freedom of travel in time, publishing the Work of Chronology Protection.

So there is a Time Machine? Can we travel in time?

In principle, we can. In reality, it can be tested when we look in the sky. In theory, there is a sheet of experimental paper in hand.

Technically speaking, not yet(or we can?). But there’s still time to appear a Time Machine.
So what do you think about this topic, leave a comment and share your opinion with us?

References:
  1. https://phys.org
  2. http://miscareaderezistenta.ro
  3. http://www.gandul.info
  4. https://www.space.com
  5. http://www.physics.org

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