The Machine With Which We Can Travel Through Time: Tipler Cylinder

Einstein’s theories of relativity, that time travel is possible proved it with formulas. We can already see that this is true just by thinking about the astronauts who went into space.

But is it really possible for us to travel to the past? How can we provide physical conditions, even if theoretically? Frank Tipler has an interesting suggestion.

Let’s start with Einstein’s theories of relativity.

According to Einstein’s theory of relativity, time flows at different speeds for observers in different conditions. For example while we are still For a moving object, time passes more slowly.

Of course, this is such a low speed that we cannot notice it. However, the speed difference may become noticeable as we approach the speed of light. Like this travel between times can also be done. More precisely, one can travel to the future.

Let’s explain it through an astronaut. Let’s imagine that a 20-year-old astronaut goes to space in 2024. speed of light moving as fast as 99.5% He will stay in space for 5 years on a spaceship. When he turns 25, the Earth will be in 2074, not 2029. In short, the astronaut travels 50 years into the future. As the speed increases, it is possible to go further into the future.

It should not be forgotten that the speed of light is not the only thing that changes the flow of time. Gravity can warp time. As gravity increases, time slows down. These slowdowns on our planet can only be measured with atomic clocks, but if we go to a place with high gravity, such as a black hole, we can visibly notice that time slows down.

If we had the opportunity to go to such a place, we could also travel to the future. Yes, we have understood that traveling to the future is theoretically possible. So what about the past?

Can we travel to the past?

We can do it according to the theories of relativity, but it is unclear whether the appropriate physical conditions can be provided for this. If we could move faster than the speed of light, time could flow into the past, but from what we know so far No massive object can exceed the speed of light. Let’s leave the theories of relativity aside for now and examine the so-called “Types cylinder” theory.

The “tips cylinder” says that time travel is possible.

The “Tipler cylinder”, introduced by Frank Tipler in 1974, focuses on providing physical conditions. If A compressed, very dense, thin and elongated cylinder 10 times the mass of the Sun If this is done and this cylinder can be rotated several billion times per minute, we will have a giant time machine. It’s like turning black holes into a machine by compressing them.

The spaceship follows a spiral path around this cylinder, depending on the direction when it moves from one end to the other. past or future can travel because the movement along the cylinder bends space and the person who enters the bent region falls into a time loop.

Let’s explain in more detail. Rotations several billion times per minute create frame-dragging effects and fields of time-like curves that allow sublight time travel into the past.

Drag effect; It warps space-time in a way that bends the light cones of objects near the cylinder. Part of the light cone travels back in space-time along the time axis. Thus an accelerating spacecraft travels along its closed time-like curve. back in time travels.

However, this claim was never proven and there were obstacles such as the fact that the cylinder must be infinite. Types, whose rotation speed is fast enough of a finite cylinder He also claimed that he could produce closed time-like curves.

Stephen Hawking is “You can’t travel through time in a finite Tipler cylinder when there is positive energy everywhere in the universe. It will either be infinite or contain negative energy.” He brought various criticisms with words such as. Disagreements about the theory continue, but time travel The theory that we can get closest to in practice is continues its existence in science.

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