Ep 222: David Deutsch’s ”The Fabric of Reality” Chapter 12 ”TimeTravel” Part 1

Is time travel into the past and the future possible? What is time dilation? Subjective and objective senses of "time travel". David Deutsch's own documentary on Time Travel from the BBB (192) https://youtu.be/C6_gxoLwrWw?si=8vw8cwbP49XkY6e8