Podcast Episodes

When the universe branches, what happens to me? with Stephen Wolfram

Episode 68

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-…

Published on 9 months, 2 weeks ago

What is the causal graph in Wolfram Physics?

Episode 67

The causal graph is at the core of Wolfram Physics.

It’s crucial to the derivations of Special Relativity, General Relativity and Quantum Mechanics.

And if that’s not enough to convince you that you ne…

Published on 10 months ago

Is everything determined? with Stephen Wolfram

Episode 66

Is everything that’s ever going to happen in the universe already determined?

Or does something else – maybe randomness, maybe free will – play a role?

Stephen Wolfram’s answer to this question is stra…

Published on 10 months, 2 weeks ago

Why is space three-dimensional? with Stephen Wolfram

Episode 65

Hypergraphs can have any number of dimensions. They can be 2-dimensional, 3-dimensional, 4.81-dimensional or, in the limit, ∞-dimensional.

So how does the three-dimensional space we observe emerge fro…

Published on 11 months, 2 weeks ago

The first wow for Stephen Wolfram

Episode 64

Stephen Wolfram reveals that his first major wow along the path towards a fundamental theory of physics was his realization that General Relativity and Quantum Mechanics are the same theory, played o…

Published on 11 months, 3 weeks ago

5 reasons to take Wolfram Physics seriously

Episode 63

It feels like everyone has their pet Theory of Everything these days.

So why should you take my preferred Theory of Everything seriously?

Well, give me 5 minutes, and I’ll give you 5 reasons why I find…

Published on 1 year ago

Why does the universe exist?

Episode 62

Here’s a question.

Why does the universe exist?

Why is there something rather than nothing?

One of Stephen Wolfram’s boldest claims is that he has the answer.

Let me know whether you’re convinced by his …

Published on 1 year, 2 months ago

Causality ain't what you think it is

Episode 61

Do you know what causality is?

If you do, let me know, because I’m not sure.

I’ve never come across a conception of causality that makes sense to me.

After all, our universe seems to follow simple equat…

Published on 1 year, 3 months ago

What precisely is causal invariance?

Episode 60

Causal invariance is a crucial concept in Wolfram Physics.

It’s how we get special relativity from the Wolfram model.

It’s how we get quantum mechanics from the Wolfram model.

So what precisely is causa…

Published on 1 year, 5 months ago

Jonathan Gorard: the complete first interview

Episode 59

I’ve heard from many of you that you’d like the whole of my conversation with Jonathan Gorard in a single podcast.

So here it is, the complete first interview.

These three hours are a brilliant exposit…

Published on 1 year, 7 months ago