Time travel may not break reality, experiments suggest. It may reveal that all of reality exists all at once

Filed by Elara Myst

Could that mean time travel is technically possible?Time travel paradoxes like the grandfather and the bootstrap raise questions about whether the past can truly be changed.Scientists can’t prove time travel is possible, but they are testing its core principles using quantum and mathematical experiments. These involve entanglement, closed timelike curves, and retrocausality.Research suggest paradoxes may be avoided under certain conditions—for example, if timelines branch, or if entropy re