Whats a wormhole?
I know this isn't a philosophy but I wanna add it to be sure everyone knows what a worm hole is. A wormhole is a hypothetical tunnel-like structure in spacetime that connects two separate points in space and time. In theory, if such a structure exists, it could allow for faster-than-light travel between the two points, which could include traveling back or forward in time. Wormholes arise from the equations of general relativity, formulated by Albert Einstein. They can be conceptualized as "shortcuts" through spacetime, as they could connect distant regions of the universe or different times. The most commonly discussed type of wormhole is the "Einstein-Rosen bridge," which was initially proposed by Einstein and physicist Nathan Rosen in 1935. For a wormhole to be traversable—meaning that something (like a person or a spaceship) could pass through it—scientists believe it would need to be stabilized with some form of exotic matter, which would have negative energy density. This exotic matter is purely theoretical and has not been observed in reality. While wormholes offer a fascinating possibility for time travel in science fiction and theoretical physics, no experimental evidence supports their existence, and many questions remain about their properties and the feasibility of traveling through them. Moreover, even if they were to exist, traveling through a wormhole presents numerous challenges and paradoxes, such as the potential for causality violations (e.g., interfering with the past) and the stability of the wormhole structure itself.