According to our current understanding of physics, it is not possible to travel faster than the speed of light in a vacuum. The theory of relativity, which is a cornerstone of modern physics, states that the speed of light in a vacuum is the ultimate speed limit in the universe. As an object with mass approaches the speed of light, its energy requirements become infinite. Therefore, it is not possible to accelerate an object with mass to or beyond the speed of light.
If we speculate on the hypothetical scenario of traveling faster than light (FTL), it would have consequences that are not fully understood within our current scientific framework. One of the prominent implications of surpassing the speed of light is the violation of causality, which is the principle that cause and effect relationships cannot be reversed. This would lead to logical paradoxes and challenges to our understanding of the universe.
Regarding time, if an object were to travel faster than light, theories proposing the manipulation of spacetime, such as wormholes or warp drives, suggest that there might be a potential for time dilation effects. These effects are often depicted in science fiction. However, the specific consequences and behaviors of time in such scenarios are purely speculative and not supported by our current scientific knowledge.
In summary, based on our current understanding, traveling faster than light is not possible, and the implications of such travel, including its effects on time, remain speculative and fall outside the realm of established scientific theories.