Imagine giving a 30-minute lecture on consciousness. There really would be a lot to say about it. Would you start by talking about the mind-body problem, which may be a central aspect in this context? Or would you discuss the causal relevance of mental properties in this introductory lecture?

That's true. But what do you expect from a 22-minute video? To paraphrase Chalmers: We don't know how much of reality is accessible to us and how much remains closed to us.

Going live! Watch now: www.youtube.com/live/NPyPPLi...

Yes, that's right. I read the novel well over 30 years ago and loved it

... yes, and the fact that the number Pi contained an encrypted message was a really cool idea