5 Theories Which Make Time Travel Real And Possible What is a paradox

Traveling back in time isn't necessarily science fiction. However, scientists see, time travel as pure fiction.
But mathematically it is possible. Scientists for years have discussed whether it is possible for us the time travel forwards or backwards in time. And the possible ways that can be done either by the scientific knowledge, that we now have or by scientific hypothesis, The scientific language used to explain the various Time Travel theories can be quite mind-boggling.
And the following are 5 theories that try to explain how time travel could be possible.

 Time Travel Through Wormholes:

Wormholes are tunnel like connections, made out of space-time offering a shorter distance between two Wide separated areas of the universe. As universe can bend and contort it can also in theory, Fold up on itself like taking a sheet of paper and folding it.

If we could fold space in the same way who have not just be bending space, But bending space-time.
Physicists and cosmologists Paul Davis from the University of Arizona believes, if a wormhole could exist and could be traversable, Then it would be a means of going back in time.
The idea is that space travelers can use these tunnels to make space-time commutes.
Just like In the film "Interstellar." A band of astronauts travel through a newly discovered wormhole, connecting widely separated area of space-time.

Time Travel Through The Tipler Cylinder/Infinite Tube:

The Tipler cylinder is a cylinder of dense matter and infinite length spinning at high speed around its long axis and enabling time travel.

If you walk around the cylinder in a spiral path in one direction, You can move back in time and if you walk in the opposite direction you can move forward in time.
The rotation craze of frame dragging effect and fills have closed timelike curves traversable in a way to achieve time travel. This solution, Einstein's equations of general relativity is known as a "Tipler cylinder."
Tipler suggested that a finite cylinder may accomplish a same effect, If his speed of rotation increases significantly. tipplers original solution involved the cylinder of infinite length and Tipper suggested that a finite cylinder might produce closed timelike curves if the rotation rate is fast enough. Maybe "Docter who's spinning TARDIS" could be seen as a type "Tipler cylinder."

Time Traveling With The Speed Of Light:

Traveling a close to the speed of light would theoretically allow time travel into the future. As time slows down for the speeding object in order to protect the cosmic speed limit of the speed of light.

If it were possible to exceed the speed of light then it would also be possible to go back in time. Time dilation would make it possible for passengers in a fast moving vehicle to advance further into the future in a short period of their own time.
"When you're a travel my correspond to 10 years on earth and a constant 1g acceleration would permit humans to travel through the entire universe in one human lifetime. Space travelers could then return to earth billions of years into the future that is if there were an earth to come back to."

Time Traveling Through Gravitational waves:

Physicists working with a powerful Observatory detected ripples in space and time created by two colliding black holes confirming a prediction by Albert Einstein 100 years ago.

These ripples in the fabric of space-time were called "gravitational waves" and the created by the merger of two massive black holes 1.3 billion years ago.
Imagine that space-time is a fabric that stretches through the universe and is affected by matter, like stars, black holes, planets And other cosmic objects. Massive bodies warp space-time around them creating what we now know on earth as gravity. Maybe if scientists could learn more about it, could possible as you lead to some kind of understanding of how to manipulate space-time to potentially travel through time.

Time Travel Through Cosmic Strings:

Another theory for potential time travelers involves something, called "Cosmic Strings" which are narrow tubes of energy stretched across the entire length of the ever-expanding universe. Cosmic Strings are a hypothetical topological defect in the fabric of space-time leftover from the formation of the universe interaction could great fields have closed timelike curves permitting backwards time travel. These two thin regions left-over from the early cosmos are predicted to contain huge amounts of mass. And therefore, could walk the space-time around them. Cosmic Strings are either infinite or they're in loops with no ends.

Scientists aim the approach of two such strings Parallel to each other would bend space-time. So variously and in such a particular configuration that might make time travel possible. In theory some scientists have suggested using Cosmic Strings to construct a "time machine" by maneuvering to Cosmic Strings close together. It is theoretically possible to create an array of closed timelike curves by firing two infinitely long Cosmic Strings passed each other at very high speeds. You could fly your ship around them in a carefully calculated figured out loop and in theory be able to emerge anywhere, anytime.
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