ToKCast
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ToKCast episodes

  • Ep 273: Super Intelligence: Then and Now. Fiction and Reality. Part 2

    Comparing ideas around "superintelligence" over the last decade. How have visions of what "SI" or "AI" or "ASI" and AGI evolved since Bostrom wrote "Superintelligence". This is the combination of various recent YouTube videos but counts as a sequel to part 1 found here: https://www.youtube.com/watch?v=dZ5OyhZ70wA or back at Episode 271 of the podcast.

    1 hr 48 min
  • Ep 272: Is science truly explanatory?

    A reaction to  @CosmicSkeptic  and  @SabineHossenfelder  discussing the nature, or even possibility of, genuine scientific explanation in this video: https://youtu.be/KWBm0_1QBDs?si=3JwIDGAtumO3mfBz Which of them is correct? Or are they both wrong? What counts as an explanation? What counts as a scientific explanation? What counts as a good scientific explanation? And is Alex right that science, in some ultimate sense, really only ever describes things?

    1 hr 18 min
  • 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

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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