Could we manipulate the universe to achieve time travel?
While we are all technically traveling through time every second, true manipulation remains a theoretical challenge. This video explores the extreme physics required to hack the flow of time, involving high-speed space travel and the consequences of breaking fundamental cosmic rules.
The concept of time travel suggests that we might be able to manipulate the universe if we could achieve two specific, albeit disruptive, conditions. The first involves challenging the established laws of physics in a way that would frustrate the scientific community. The second involves a radical experiment in relativity: launching one twin through space at high speeds against their will, while leaving another twin stationary on Earth.
Source: We Traveled Back in Time. Now Physicists Are Angry.