The Last Theory Podcast Por Mark Jeffery arte de portada

The Last Theory

The Last Theory

De: Mark Jeffery
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The Last Theory is an easy-to-follow exploration of what might be the last theory of physics. In 2020, Stephen Wolfram launched the Wolfram Physics Project to find the elusive fundamental theory that explains everything. On The Last Theory podcast, I investigate the implications of Wolfram's ideas and dig into the details of how his universe works. Join me for fresh insights into Wolfram Physics every other week.© Kootenay Village Ventures Inc. 2022 Ciencia Física
Episodios
  • Do fields exist?
    May 22 2025

    Fields don’t exist.

    I mean, a field with grass in it, that kind of field does exist.

    But a field in physics?

    A gravitational field? An electric field? A magnetic field? A quantum field?

    No such thing.

    I’m not knocking the physicists who came up with these fields.

    These fictions can be convenient.

    But sometimes, these fictions can blind us to the underlying reality.

    And that’s what’s happening right now in physics.

    Our long-time love affair with fields is blinding us to the true nature of space and everything in it.

    The Last Theory is hosted by Mark Jeffery founder of Open Web Mind

    I release The Last Theory as a video too! Watch here.

    The full article is here.

    Kootenay Village Ventures Inc.

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    18 m
  • Aggregation – how the Wolfram model weaves the future – with Stephen Wolfram
    Apr 27 2025

    In the previous excerpt from my conversation with Stephen Wolfram, I asked him how I can remain a single, coherent, persistent consciousness in a branching universe.

    In this excerpt, we went deeper into this question. As a conscious observer, I have a single thread of experience. So if the universe branches into many timelines, why don’t I branch into many versions of me?

    Stephen’s answer touched on many profound aspects of the Wolfram model.

    He started with the failure of the Many Worlds interpretation of quantum mechanics to consider the possibility that different branches of history can merge, in other words, come back together again. This failure is rooted in assumption that the universe is continuous; as soon as we start thinking of the universe as discrete, such merging seems not only possible, but inevitable.

    He went on to consider the concept of causal invariance, the idea that it doesn’t matter which of countless similar paths you take through the multiway graph, you end up in the same place. In the Ruliad, he said, causal invariance is inevitable.

    Then we got to the core of the concept of the observer. According to Stephen Wolfram, an observer equivalences many different states and experiences the aggregate of these states.

    I did not expect Stephen’s next move, to apply the concept of aggregation not just to observers, but to the universe itself.

    He made the profound proposal that in the Wolfram model of physics, in addition to the computation of the hypergraph through the application of rules, there’s a process of aggregation of possible paths through the multiway graph to weave the future.

    Stephen Wolfram

    • Stephen Wolfram
    • The Wolfram Physics Project
    • Wolfram Institute
    • Wolfram Institute Community Discord

    Concepts mentioned by Stephen

    • Many Worlds interpretation of quantum mechanics
    • Computational irreducibility
    • Causal invariance
    • The Ruliad
    • Sequentialization
    • Equivalencing

    The Last Theory is hosted by Mark Jeffery founder of Open Web Mind

    I release The Last Theory as a video too! Watch here.

    Kootenay Village Ventures Inc.

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    9 m
  • When the universe branches, what happens to me? with Stephen Wolfram
    Mar 15 2025

    When the universe branches, we branch with it.

    Those branches don’t remain forever apart. They come back together.

    So we, as conscious observers, are rescued from splitting into an immense number ever-so-slightly different versions of ourselves.

    When the branches of the universe – and the versions of ourselves – come back together, we don’t worry that the many paths we took to get there are ever-so-slightly different.

    We equivalence all those different paths. We treat all those ever-so-slightly different branches of history as if they were more-or-less the same.

    I asked Stephen Wolfram about this strangest of consequences of a branching universe.

    Through all this splitting and coming-back-together, how can I remain a single, coherent, persistent consciousness?

    Stephen’s answer takes us through branchial space to quantum computing, the maximum entanglement speed and the elementary length.

    Stephen Wolfram

    • Stephen Wolfram
    • The Wolfram Physics Project
    • Wolfram Institute
    • Wolfram Institute Community Discord

    Concepts mentioned by Stephen

    • Equivalencing or coarse-graining
    • Branchial space
    • Coherence time
    • Infrageometry
    • General relativity
    • Quantum mechanics
    • Statistical mechanics
    • Quantum computing
    • Decoherence time
    • Euclidean geometry
    • Riemannian geometry
    • Category theory
    • Maximum entanglement speed
    • Elementary time and length

    People mentioned by Stephen

    • Euclid
    • Albert Einstein

    The Last Theory is hosted by Mark Jeffery founder of Open Web Mind

    I release The Last Theory as a video too! Watch here.

    Kootenay Village Ventures Inc.

    Más Menos
    13 m
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