Shows like Doctor Who and Star Trek have made time travel a staple of science fiction. And we all dream about time travel as well: can I go back and pick the winning lottery numbers? Can I go forward to see how my life turns out? But is time travel even possible, not just scientifically, but philosophically? That’s what I explore in this episode of Swimming Upstream.
Topics covered:
- Two potential barriers: science and philosophy
- Moving forward in time
- Moving backward in time
- Creating a “copy” of yourself when time-traveling
- The Grandfather paradox
- Creating a causal loop
- Where are the time travelers?
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