Ep 230: David Deutsch’s ”The Fabric of Reality” Chapter 12 ”Time Travel” Part 3
ToKCast20 Jan 2025

Ep 230: David Deutsch’s ”The Fabric of Reality” Chapter 12 ”Time Travel” Part 3

The best part! If you missed the others, don't miss this one. All four strands come together to explain the possibility of time travel and the intrigue that arises when considering travelling to "your" past or future to visit "yourself".

Rough timestamps follow: 00:00 introduction and the significance of virtual reality 04:03 Physically possible renderings and resolving paradoxes 07:30 what does VR time travel tell us about physics? 11:05 Personhood and time travel 13:30 Highly unlikely events, the multiverse and “never”. 15:45 General Relativity and time travel 18:51 David’s 70th birthday online acknowledgement https://dd70th.weebly.com/ 20:14 Past directed time travel: the consensus 25:25 Black holes, wormholes and time travel 34:10 More on paradoxes and quantum gravity 38:00 The unpredictability of the growth of knowledge . 42:05 Visitors from the future 45:50 Time travel, BoI and Fungibility 56:00 Knowledge Paradoxes? 1:00:40 Creation ex nihilo and “recombination”. 1:06:39 Biological and explanatory knowledge 1:11:32 Useless information and the resolution of knowledge “paradoxes” 1:15:23 The knowledge “crystal” - structure across the multiverse. 1:22:18 The entire biosphere as a computation. 1:26:20 Civilisations as virtual reality renderings. 1:30:00 The four main strands and time travel.

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Avsnitt(264)

Ep 264: David Deutsch's "The Fabric of Reality" Chapter 14 "The Ends of the Universe" Part 1

Ep 264: David Deutsch's "The Fabric of Reality" Chapter 14 "The Ends of the Universe" Part 1

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Ep 263: David Deutsch's "The Fabric of Reality" Chapter 13 "The Four Strands" Part 4 - and final.

Ep 263: David Deutsch's "The Fabric of Reality" Chapter 13 "The Four Strands" Part 4 - and final.

How do the Four Strands of the Fabric of Reality - Quantum Physics, Computation, Epistemology and Evolution by Natural Selection hold together? What does taking them each seriously and all of them tog...

4 Juli 1h 30min

Ep 262: David Deutsch's "The Fabric of Reality" Chapter 13 "The Four Strands" Part 3

Ep 262: David Deutsch's "The Fabric of Reality" Chapter 13 "The Four Strands" Part 3

This episode is heavily focussed on Dawkin's "Selfish Gene" explanation of Darwin's evolution by natural selection. Obviously there are readings from the relevant part of this chapter from The Fabric ...

4 Maj 1h 3min

Ep 261: Objective Morality II

Ep 261: Objective Morality II

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23 Apr 38min

Ep 260: I don't believe it!

Ep 260: I don't believe it!

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5 Apr 1h 6min

Ep 259: Reaction to Michael Levin Part 3: Bait and Switch, Podcastistan and Surprising(?) algorithms.

Ep 259: Reaction to Michael Levin Part 3: Bait and Switch, Podcastistan and Surprising(?) algorithms.

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11 Mars 59min

Ep 258: Reaction to Michael Levin, Part 2: Bioelectricity, Consciousness and Knowing

Ep 258: Reaction to Michael Levin, Part 2: Bioelectricity, Consciousness and Knowing

This is the second in a multipart series where I react to some interviews with ‪@drmichaellevin‬ a biologist who, among other things, specialises in bioelectricity. His research can be found here: htt...

16 Feb 1h 38min

Ep 257: Reaction to Michael Levin, Part 1: Categories and Continuums.

Ep 257: Reaction to Michael Levin, Part 1: Categories and Continuums.

This is the first in a multipart series where I react to some interviews with  @drmichaellevin  - a biologist who, among other things, specialises in bioelectricity. His research can be found here: ht...

9 Feb 1h 8min

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