If time travel is possible, it follows that time travelers from the future are here, or have been.
If time is a single causal string, then perhaps my life's memories (not to mention world history) may be fluctuating wildly from one moment to the next as changes are applied and we just don't know it. That'd be trippy.
If time is a single causal string, then perhaps my life's memories (not to mention world history) may be fluctuating wildly from one moment to the next as changes are applied and we just don't know it. That'd be trippy.