Time travel could reveal the underlying structure of spacetime from "summary" of Time Travel in Einstein's Universe by J. Richard Gott
In the realm of time travel, there is a fascinating possibility that goes beyond the idea of simply moving back and forth in time. It is the notion that by engaging in time travel, we may be able to gain insights into the fundamental nature of spacetime itself. This concept suggests that the act of traveling through time could offer us a unique perspective on the underlying structure of the universe. When we think about spacetime, we often envision it as a four-dimensional framework within which all events occur. This framework is intricately linked, with time and space intimately ...
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