Time Traveler, Has Ever Happened ???
The phenomenon of time traveler who pushed back also helped lure US space agency to open the voice.
Marc Rayman, one of the scientists from NASA gave his opinion about the possibility of travel across time based on what is learned in science.
For him, every human being in the real world has traveled time, with a speed of 1 hour per hour. "The question is, can humans wander faster than that ???"
According to him, all started from a theory called special relativity that triggered by one of the famous scientists of the 20th century, namely Albert Einstein, which refers to the concept of time space.
"Every object that passes through time space has a speed limit of up to 300,000 kilometers per second, with light always passing through a vacuum at that speed.Specific relativity also explains that when an object moves across the time space at a speed near the speed of light, more slowly around, he added". Rayman - Nasa Scientist
Rayman also provides a brief illustration related to the implementation of the theory. He started with a 15-year-old boy who traveled in space using a spacecraft, at about 99.5 % of the speed of light and only felt the time pass for 5 years.
"When he returns to Earth at age 20, he will see his friends are aged 65. Because the time runs slower for him, then the five years he passed can be equal to 50 years for objects that do not move as fast as himself".
From the illustrations, he concludes that the boy is already traveling time travelers, exceeding the speed of one hour per hour, as all people on Earth do, throwing him off into the future.
Such time travel is not only about speed, but it can also be caused by gravity. Regarding this, Einstein explains it in the general theory of relativity.
In theory, Einstein predicts that time moves more slowly for objects that are in place with the force of gravity, for example Earth, compared to objects unaffected by the gravitational field.
It also explains the phenomenon of distortion of space and time that occur on the object when near the black hole with a very high force of gravity.
In recent years, researchers used distortions in the space of time to find ways how time machines can work, one of which is the concept of a worm hole that becomes a portal across time space.
Although the concept and a number of other theories about time travel based on science, but until now no one can prove whether all the ideas can be actually implemented by a real object.
"I believe that a journey across time may happen, but we will need a very advanced technological development to do it.You may wander for the next 1,000 years and only grow old a year on the way.But if going to the past, It is difficult to see from the available theories, the researchers do not have sufficient knowledge related to that, until we can actually create the time machine".
He also said that the spacewalkers involved in the mission into space actually experience time distortion, related to the general theory of relativity and special, but the effect is too small when compared with human life on Earth.
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