Based on our current understanding of physics, time travel to the past using technologies like wormholes and quantum tunneling through spacetime remains purely speculative and is not supported by scientific evidence. While these concepts are fascinating and have been explored in works of fiction, such as movies, books, and stories, they are currently beyond the realm of what is known in physics.
Wormholes are hypothetical structures that connect different points in spacetime, potentially allowing for shortcuts between distant locations or even different points in time. However, the actual existence and practicality of wormholes are still speculative and require the existence of exotic matter with negative energy density, which has not been observed or confirmed.
Quantum tunneling, on the other hand, is a phenomenon observed at the quantum scale, where particles can cross energy barriers that would typically be impassable according to classical physics. While fascinating, quantum tunneling is a quantum mechanical effect that primarily applies to subatomic particles and has not been demonstrated to allow for macroscopic objects or time travel.
The concept of going back in time often exists in stories and fictional narratives, where authors and filmmakers explore imaginative possibilities. These narratives may involve elements of fantasy, alternate dimensions, or speculative science to create a captivating plot. However, they should be understood as works of fiction rather than reflections of currently established scientific principles.
It's worth noting that scientists continue to study and explore the nature of time and the laws of physics, including theories like general relativity and quantum mechanics. While our understanding is continually evolving, at present, time travel to the past using the technologies you mentioned remains purely theoretical and speculative.