Synchronised said:Is the fact that no one has ever traveled back in time from the future a proof that traveling back in time is impossible?
But if a person can travel back in time doesn't that mean relative to the people in the past the future would seem like it has already happened?
Yes, according to the laws of physics, specifically the theory of relativity, time travel is currently considered impossible. The theory states that the speed of light is a universal constant and that time is relative to the observer. This means that if an object were to travel faster than the speed of light, it would essentially be going back in time. However, this is not possible according to our understanding of the laws of physics.
At this time, there is no known technology that could make time travel possible. The closest thing we have to time travel is the ability to slow down time using high speeds and intense gravitational fields, but this is not the same as traveling back in time. The technologies required to manipulate time in that way are currently beyond our capabilities.
Yes, there are several paradoxes that arise when considering the possibility of time travel. One of the most well-known is the grandfather paradox, which states that if a person were to travel back in time and prevent their own grandparents from meeting, then they would never be born. This creates a logical contradiction that cannot be resolved, and therefore, makes time travel impossible.
There are some theories, such as the concept of wormholes, that suggest time travel may be possible. Wormholes are hypothetical tunnels through space-time that could potentially allow for travel between different points in time. However, this is still just a theoretical concept and has not been proven to exist or be feasible.
While it is impossible to definitively say what technology may be capable of in the future, it is highly unlikely that time travel will ever be possible. As mentioned before, the laws of physics currently prevent it, and it would require a complete revolution in our understanding of the universe to make it possible. It is always important to remain open-minded to new discoveries and advancements, but for now, time travel remains a work of science fiction.