Xuyen is not real and this is the only one who can experience it

It seems to exist only in theory and in fiction, but it turns out there was someone who experienced the feeling of piercing.

Science has proven that we can make time travel - at least theoretically. According to Albert Einstein's doctrine, just reaching or approaching the speed of light (300,000 km / s), we will reach the future.

We can make time travel - at least theoretically.

According to Professor Brian Greene - a theoretical physicist at Columbia University: "You can build a ship, go out into space and move at the speed of light, then turn your head and return to Earth." .

"Imagine, you go for 6 months, then return within 6 months."

At that time, your time will drift faster, while people on Earth will remain the same. That is, you go very fast, while the real time is still slow.

Reaching the speed of light is not possible or at least until the present time.

"When you step out of the ship, you are 1 year older, but the Earth has gone through so many years. You can go to the future of 10,000 years, 100,000 years, or 1 million years, depending on your speed. How close it is to move near the speed of light. "

Of course, it is impossible to reach the speed of light, or at least until now. Because, to achieve that speed requires a source of energy that is so great "unimaginable" - quoted Greene. Moreover, the pressure from centrifugal force caused at that speed will definitely make your body . crushed like a cork.

In addition, there is another way to travel time, which is to put yourself on the edge of the black hole. The massive gravitational pull of a black hole is enough to bend space-time, causing time to slow down. The result is still the same - you go to the future, just that this is not a feasible way at the present time.

The massive gravitational pull of a black hole is enough to bend space-time.

But piercing didn't really happen

And the one who experienced it was Sergei Krikalev - the Russian astronaut who currently holds the record for the longest time in space, 803 days, 9 hours and 39 minutes.

Specifically, Krikalev was on the international space station ISS for so much time (divided into 6 trips). The record was set on October 11, 2005.

ISS station moves at 7,660m / s in Earth orbit. This is a speed large enough to overcome the speed of Earth fruit and time through the process of "expanding time" , helping Krikalev to reach the future.

Sergei Krikalev - a record traveler who has the longest time in the universe.

The thing is, the future that Krikalev experienced before them was only . 0.02s.

According to Colin Stuart, a physicist with many of Ted Talk's famous speeches, the reason for this expansion is so small because "the gravity of the Earth is so weak, so the time dilation is caused by The speed of ISS is very small, and the astronaut only really traveled to the future ahead in such a short time ".

Stuart thinks this proves that traveling to the future can really happen. However, going back to the past is another matter.

Although only 0.02s, Krikalev has truly reached the future.

"Nobody really proves that we can't travel to the past" - quoted Professor Greene.

"But whenever there is a proposal about past travel, it goes beyond our ability to understand in modern physics theories."

"In addition, most experts feel that even when physics grows further, traveling to the past will probably never happen."