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Is time travel possible? - Intergalactique

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Is time travel possible? 

Answer: Yes, in fact, you’re doing it today, soaring into the future at a staggering speed of one second every second.

You’re almost always moving at the same pace, regardless of whether it’s watching the paint dry or wishing you had more time to hang out with a pal who is from another city.

However, this isn’t the type of time travel that has captivated many science fiction writers or inspired a genre that is so large in the sense that Wikipedia lists more than 400 titles within this category “Movies about Time Travel.” In the franchises ” Doctor Who,” ” Star Trek,” and “Back to the Future,” characters get into a wild vehicle and blast back into time or in the future. After the characters have traveled into the past or future, they wrestle with what happens when you alter the past or present in light of facts from the end (which is the point where time travel stories meet the concept that there are parallel timelines and alternative timelines).

While many are attracted by the concept of altering the past or seeing into the future before it’s ready however, no one has shown the kind of back-and-forth time travel found in science fiction or even proposed the possibility that would allow a person to travel through time for long periods that doesn’t cause harm in the process. As the physicist Stephen Hawking pointed out in the book ” Black Holes and Baby Universes” (Bantam 1994), “The best evidence we have that time travel is not possible, and never will be, is that we have not been invaded by hordes of tourists from the future.”

Science supports a certain amount of time-bending, however. For instance, scientist Albert Einstein’s theory of special relativity claims that time is a figment of imagination that changes relative to the observer. A person traveling at the speed of light velocity that light travels will be experiencing time, along with its consequences (boredom aging, boredom, etc.) far more slowly than an observer sitting still. This is why spaceman Scott Kelly aged just a little less in one year on the moon than his brother, who spent the entire time on Earth.

There are other theories of science regarding time travel, such as the bizarre physics that develop from Wormholes, black holes and string theory. In the majority of cases however, time travel is still the subject of a growing number of science fiction novels films, T.V. shows comics, video games, and much more.


The twin brothers Scott Kelly and Mark Kelly are both astronauts They have also both been involved in several groundbreaking studies regarding how space affects our body.

Einstein created his theory of special relativity in 1905. Alongside his expansion and that of the the theory of general relativity was one of the fundamental concepts of contemporary science. Special relativity describes the relation between time and space for objects that move with constant speed in straight lines.

The simplest version of the theory is deceivingly simple. The first is that everything is assessed by reference to another which is to say that there isn’t an “absolute” frame of reference. Furthermore, the speed of light remains constant. It’s the same regardless of the circumstances you measure it from, or where it’s estimated. The third point is that no thing can move faster than light.

From these tenets emerges the real-world experience of time travel. If you’re observing someone traveling at speedy speeds experiences time slower than an observer not moving through space.

Although we don’t speed up humans to the speed of light, they do soar around the globe at 17,500 miles per hour (28,160 km/h) on the International Space Station. NASA astronaut Scott Kelly was born after his twin brother and a fellow astronaut, Mark Kelly. Scott Kelly spent 520 days in orbit, whereas Mark spent the equivalent of 54 space days. The disparity in speed that they lived during their lives has increased the gap in age between two men.

“So, where[as] I used to be just 6 minutes older, now I am 6 minutes and 5 milliseconds older,” Mark Kelly stated during a panel discussion July 12 2020. earlier published. “Now I’ve got that over his head.”


The impact that low earth orbit has on the life of an astronaut could be insignificant — better than jokes between siblings than actually extending life or traveling to distant times however the dilation of the time between those living on Earth or GPS satellites that fly through space makes an impact.

The Global Positioning System (GPS) or GPS is a way to know precisely where we are communicating with several dozen satellites that are placed in an orbit around the Earth that is high. Satellites circle Earth around 12,500 miles (20,100 kilometers) away, and travel at speeds of 8,700 miles per hour (14,000 kilometers/hour).

According to particular relativity theory, the speed at which an object is moved relative to an object, the more slowly that the first object experiences time. For GPS satellites with Atomic clocks, this effect cut 7 microseconds or 7 millionths of one second off daily, as per Physics Central, an American Physical Society publication Physics Central.

In general relativity theory, clocks that are closer to that center point of huge gravitational mass, such as Earth are slower to tick than clocks farther away. Therefore, since the GPS satellites are further away from the center of Earth compared to watches at Earth’s surface Physics Central added, which adds 45 microseconds to the GPS clocks on satellites every day. When combined with negative seven microseconds resulting from calculations based on special relativity the result is an additional 38 microseconds.

This implies that in order to ensure the accuracy required to identify your car or cell phoneor, as the system is operated in conjunction with the U.S. Department of Defense an aircraft of the military -engineers have to account for an additional 38 microseconds during every satellite’s day. The atomic clocks on board start to tick into tomorrow when they’ve exceeded 38 microseconds in duration compared to similar watches on Earth.

Based on these numbers, it will take seven years to allow the atomic clock inside the GPS satellite to break free with an Earth clock in more than the blink of an eye. (We calculated the numbers in this case: If you figure that a blink lasts minimum 100,000 microseconds according to it is stated in the Harvard database of Useful Biological Numbers has done, it would require thousands of days to get the 38 microseconds shifts to total.)

This type of time travel could be as insignificant as the Kelly brothers time gap but with the incredibly precise nature of the latest GPS technologies, this really is a significant factor. If it is able to communicate with the satellites that are flying across the sky, your phone will determine your position in time and space with astonishing precision.


General relativity may also give scenarios that would allow travelers to travel back to the past, according to NASA. However, the reality of these time-travel techniques is not a piece of cake.

Wormholes are theorized “tunnels” through the fabric of space-time which may connect diverse moments or locations in reality with other places. Also referred to as Einstein-Rosen Bridges also known as white holes in contrast with black ones, speculation on the existence of wormholes is abounds. However, despite occupying large portions of time (or the spacetime) within science-fiction, there are no known wormholes or whatsoever have yet been discovered in actual life.

The Related Movies: Best time travel films

“The whole thing is very hypothetical at this point,” Stephen Hsu, a professor of theoretical physical physics of the University of Oregon, explained to its sister website Live Science. “No one thinks we’re going to find a wormhole anytime soon.”

Primordial wormholes will be 10-34 inches (10^-33 centimeters) at the tunnel’s “mouth”. They were previously thought to be unstable enough for anything to traverse them. However, a research study has shown that there are better situations than this, Live Science said.

The theory that suggests that wormholes may function as possible space-time shortcuts was proposed by the physicist Pascal Koiran. As part of the study, Koiran used the Eddington-Finkelstein metric, as opposed to the Schwarzschild metric which has been used in the majority of previous analyses.

It was the case that in the past the trajectory of particles could not be tracked through a hypothetical world-wide wormhole. However, using the Eddington-Finkelstein metric, the physicist was able to achieve just that.

Koiran’s research paper was published in October 2021 in the database of preprints arXiv prior to it was published by The Journal of Modern Physics D.

Are we able to travel through time with the wormholes? We’ll first need to locate one.


While Einstein’s theories may hinder time travel Some researchers have suggested alternatives that would allow for jumps back and forth between times. The ideas that are proposed have one flaw: as they’re able to tell there’s no way that one could handle the type of gravitational pulling and pushing each idea needs.

Infinite Cylinder Theory

The astronomer Frank Tipler proposed a mechanism (sometimes called Tipler Cylinder) Tipler Cylinder) that could take matter with a mass of 10 times that of the sun’s mass and roll it into a vast and very dense cylindrical. It was the Anderson Institute , an organization that studies time travel described the cylindrical structure in terms of “a black hole that has passed through a spaghetti factory.”

After spinning the black hole’s spaghetti for with a few billion rotations per minute, a spacecraft in the vicinity that follows a precisely curved spiral in the circleit could be able to travel backwards in time, following an “closed, time-like curve,” according to the Anderson Institute.

The biggest issue is that, in order to allow this Tipler Cylinder to become reality the cylinder will need to be infinity long or be constructed from an unknown type of material. For the time being, at least in the future, infinite interstellar pasta is not within our reach.

Time donuts

A theoretical physicist Amos Ori at the Technion-Israel Institute of Technology in Haifa, Israel, proposed the concept of the creation of a time machine out of curving space-time -which is a donut-shaped space-time that is surrounded by a sphere made composed of ordinary matter.

“The machine is space-time itself,” Ori explained to Live Science. “If we were to create an area with a warp like this in space that would enable time lines to close on themselves, it might enable future generations to return to visit our time.”

There are a few limitations regarding Time Machine Ori. For one, people who travel to the past would only be able to travel to time after the creation and development of the clock donut. Secondly, the design and creation of this device would be dependent on our ability to manipulate gravitational fields with will, something that is theoretically feasible, but it is far beyond our current capabilities.


Time machine of Doctor Who is called the TARDIS which is a reference to Time as well as Relative Dimensions of Space. 

Time travel has always held prominently in the stories. From the beginning of the “Mahabharata,” an ancient Sanskrit epic poem that was written about 400 B.C., humans have imagined the possibility of altering the speed of time. Lisa Yaszek, a professor of science fiction studies at the Georgia Institute of Technology in Atlanta, told Live Science .

Each time-travel novel is a unique interpretation of space-time. It glosses over a variety of technological hurdles and contradictions to fulfill its plot demands.

Certain films make reference to physics research and physics for instance ” Interstellar,” the 2014 film by Christopher Nolan. In the movie the character of Matthew McConaughey is able to spend a few hours on a spacecraft orbiting an enormous black hole however, because of the dilation of time observers on Earth get to see those hours over the course of years.

Some take a more playful approach, such as that of the “Doctor Who” television series. The show features The Doctor who is an alien “Time Lord” who travels in a spaceship that resembles the Blue British security box. “People assume,” the Doctor explained in the show, “that time is a strict progression from cause to effect, but actually from a non-linear, non-subjective viewpoint, it’s more like a big ball of wibbly-wobbly, timey-wimey stuff.”


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