ToKCast
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ToKCast episodes

  • Ep 271: Super Intelligence: Then and Now. Fiction and Reality. Part 1

    This is Part 1 of 2 where I compare and contrast what philosophers were saying about the possibility of "Super Intelligence" many years ago with respect to the discourse today. What did Nick Bostrom say over a decade ago, and what is he saying today? How is the discourse being framed and what are the major commentators saying, in their own words?

    57 min
  • Ep 270: The Gradient Descent into Doom.

    A spontaneous set of comments on the ongoing AI scare of 2026. What's happening in the media right now, on social media, in culture and at the highest levels of government. Why the pessimism and catastrophism? What can be done? Quite a few slides are referred to, but I do read through them. Incase you want the video - it's here: https://youtu.be/mItTFoYSCcA

    1 hr 44 min
  • Ep 268: AGI has arrived podcast

    Today CEO of the world's most valuable company, Nvidia, Jensen Huang, announced "AGI has arrived". https://x.com/JensenHuang/status/2096700264569090384?s=20 Some reflections on all that.

    35 min
  • Ep 267: The Orthogonality Thesis is Moral Relativism. (Response to Sam Harris on AI).

    This is in response to episode 489 of Sam Harris' "Making Sense" podcast - in a section only available via subscription. I have clipped the approximately 60 seconds worth of material I am narrowly responding to for fair use in this commentary. The case unpacked is, roughly, that morality can be disconnected from (is orthogonal to) reason broadly is no more than a restatement of moral relativism - and hence false. Morality and science are about objective reality so cannot be “orthogonal”. Moral progress goes hand-in-hand with reason broadly and any “sufficiently advanced” intelligent system would not only realise this, they must understand it to make unbounded, rapid progress.

    28 min
  • Ep 265: David Deutsch's "The Fabric of Reality" Chapter 14 "The Ends of the Universe" Part 2 The Omega Point

    All about the distant future. What does cosmology tell us about the fate of the universe, life and intelligence in some ultimate sense? Frank Tipler's The Omega Point Theory is the primary focus, but throughout we consider the centrality of The Turing Principle for predictions about the future of the cosmos, Roger Penrose's "Conformal Cyclic Cosmology" and some of Freeman Dyson's ideas.

    Timestamps and Chapters:

    0:00 – Introduction: Longevity, Immortality, the Singularity & the Omega Point

    5:50 – Recap: The Four Strands, Knowledge & the Multiverse

    8:20 – Frank Tipler’s Omega Point Theory Introduced

    9:00 – Anthropic Principles (Weak, Strong & Final)

    10:30 – The Turing Principle as the Key to the Omega Point 1

    3:40 – Modern Cosmology Challenges: Expanding Universe, Dark Energy & Heat Death

    20:20 – Cosmological Models That Allow Unlimited Computation (Big Crunch Conditions)

    22:00 – Tipler’s Rejoinders & the Case for Eventual Collapse

    24:00 – Computers Near the Omega Point & Mutual Implication with the Turing Principle

    30:00 – Defending the Strong Turing Principle & the Comprehensibility of Reality

    35:00 – Infinite Thoughts, Virtual Reality & Colonisation Deadlines

    37:00 – Roger Penrose’s Conformal Cyclic Cosmology (CCC)

    43:00 – Freeman Dyson’s Ideas & Infinite Computation in an Expanding Universe

    46:50 – Properties of the Omega Point: Omniscience, Omnipotence & Omnipresence

    1:15:00 – The Omega Point as “God”, Resurrection & Virtual-Reality Heaven

    1:18:50 – Critique of the Technological Singularity (Kurzweil) & Mind Uploading

    1:22:00 – The Limits of Far-Future Prediction (Ancient Builder Analogy)

    1:25:00 – Conclusions & Takeaways: Take the Turing Principle Seriously

    1 hr 29 min
  • 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 together seriously? Is it possible to construct a worldview without one of them or based on a single one alone? What do they imply about free will and consciousness? Doesn't making progress require us to assume them false? All this and more.

    1 hr 31 min
  • 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 of Reality but I augment that with sections from "The Selfish Gene" itself as well as "The Beginning of Infinity" as well as a larger portion of me providing additional unpacking and exposition.

    1 hr 4 min

About ToKCast

From the publisher's feed

This is a podcast largely about the work of David Deutsch and his books ”The Beginning of Infinity” and ”The Fabric of Reality”.

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