there is no scientific evidence or technological breakthrough that supports the existence of a working machine for time travel. Time travel, as commonly depicted in science fiction, remains purely speculative and has not been realized in practice.
The concept of time travel involves numerous complex and controversial theories from physics, such as general relativity and quantum mechanics. These theories allow for hypothetical scenarios like time dilation or closed timelike curves, but their practical realization and the creation of a time travel device are far from being understood or achieved.
Furthermore, time travel to the past poses significant challenges and paradoxes, such as the grandfather paradox or the causal loop problem, which make it conceptually difficult to comprehend.
While scientific exploration and advancements continue to deepen our understanding of the universe, it is currently impossible to determine when or if we will ever have the capability to invent a real working machine for time travel. It's worth noting that scientific progress is often unpredictable, and new discoveries may reshape our understanding of time and its possibilities in the future.