The possibility of Time traveling is always the question that arises in the mind of humans. Whether we can go in the future or past with a time machine. Or whether our Earth is having many wormholes that can help the person to travel in time. Time is considered as the fourth dimension apart from length, width, and height. According to Albert’s Einstein theory of relativity, Time is not absolute. He said that time is relative.
For a non-scientific person, its as simple explaining it in a simpler way. For example, if you can be able to move at a higher speed. Maybe the speed in a higher ratio with the speed of light. The time will become slower for you. This can help you in reaching the future. So, theoretically traveling in the future by surpassing the speed of time can be possible. But the question becomes more complicated when it is about traveling to the past. However one of the famous paradoxes in traveling to the past is the grandfather paradox.
What is Grandfather Paradox and how it relates to travel in the past?
A most popular theory in time travel to the past is the paradox theory. According to this theory, if a person knows how to travel back in time. And that person goes back in time. He goes in the past when his grandfather was 15 years old. At that time he shot his grandfather. Now, the thing will get even more complicated. As when he shoots his grandfather. His grandfather died, so the possibility of his father’s birth also died. Similarly, his possibility of birth will eventually die.
So the question is that if he will not be born in the future. Then who is that person who shoots his grandfather? This will eventually give rise to a paradox in time traveling. However, this paradox creates confusion in time traveling to the past. Still many theories about this grandfather paradox exist but these are still theories. For example, Parallel universe theory exists that explains this paradox, still time traveling in the past is an unanswered question for every mind on earth.
Founder, Upgrading India