time travel is not possible with our current technology. The current understanding of physics, as described by Einstein's theory of relativity, does not support the concept of backward time travel.
Einstein's theory of general relativity allows for the possibility of time dilation, where time can appear to pass differently for objects moving at different speeds or experiencing different gravitational forces. However, this type of time dilation only affects the rate at which time passes and does not allow for travel to different points in time.
The technological limits regarding time travel primarily stem from our understanding of the laws of physics. Theoretical frameworks that could potentially allow for time travel, such as traversable wormholes or the manipulation of black holes, are currently beyond our technological capabilities to create or control.
Additionally, constructing a time machine would require vast amounts of energy, exotic matter with negative energy densities (which have not been observed), and a comprehensive understanding of the nature of time itself. These are significant scientific and technological challenges that we have yet to overcome.
It is important to recognize that our knowledge and technology are continually evolving. As scientific understanding advances and new discoveries are made, our perspectives on what is technologically possible may change. However, as of now, time travel remains a concept that is confined to the realm of theoretical speculation and fiction.