Ep 176: David Deutsch’s ”The Fabric of Reality” Chapter 9 ”Quantum Computers” Part 2
ToKCast6 Mar 2023

Ep 176: David Deutsch’s ”The Fabric of Reality” Chapter 9 ”Quantum Computers” Part 2

Here we discuss the inherent differences between classical and quantum physics. Systems representing both can exhibit "unpredictable" behaviour - so what is the difference? In classical physics chaos theory is a genuine phenomena - but only in theory. The real world does not obey classical physics. It obeys quantum theory and there, that kind of "chaos" simply does not happen. The Butterfly effect is therefore false in reality for reasons explained herein. Those classical effects cause classical systems to be unpredictable due to the sensitivity of systems to initial conditions which cannot be specified, or known, with perfect precision. But quantum systems can be "intractable" making them unpredictable for different reasons. Rather than being a barrier to knowledge and computation this is an opportunity. We discuss Feynman and then Deutsch's own contribution to the field of quantum computation.

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Episoder(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

What do our best explanations tell us about the ultimate ends of the universe? What is the difference between forming a world view about any one of the four strands (evolution, epistemology, quantum p...

30 Jul 44min

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 Jul 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 Mai 1h 3min

Ep 261: Objective Morality II

Ep 261: Objective Morality II

Do not destroy the means of error correction. A deep unification of knowledge akin to unifying quantum theory with computation to create the theory of quantum computation. David Deutsch will be known ...

23 Apr 38min

Ep 260: I don't believe it!

Ep 260: I don't believe it!

Response to a question about my discussion with  @drpeterboghossian  here: https://youtu.be/72vhtT0pFmA?si=hAx1kPho4DkLkBFN This is yet another way of coming at a critique around the concept of "belie...

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.

In this, the third and final part of a series, I break down some work Michael Levin has done with sorting algorithms. That seems very dry until you hear his claim that these algorithms that are well k...

11 Mar 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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