Donald Hoffman

speaker

2,139 appearances 4 recordings 4 series first heard Apr 2025 last heard 26 Jun

Donald Hoffman’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 3 in all, peaking in Jun 2026 with 2.

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The School of Greatness · The Math Says You've Never Seen Reality | Donald Hoffman · 15 Jun 2026 podcast

And it's not, well, and I'm going to say the cup isn't even there.

You know, the cup isn't even there, but I'm using the color just as a way to bridge that gap to help you understand that.

So color is something that you're making up, but then this whole 3D world that you're seeing is something that you're making up.

Because if you look at your eye, the evidence we have from your eye is that the retina of your eye is a two-dimensional object.

surface.

Our headset is putting a description of the eye as 120 million photoreceptors on a curved two-dimensional surface.

When you see in 3D

you're hallucinating the depth all the time.

So the depth that you see right now is completely hallucinated.

Really?

Completely.

But if I touch it, I feel it there, right?

That's right.

And that's also a hallucination, a tactile hallucination.

As far as senses are hallucination.

That's right.

And so what I've been doing and my colleagues as well, we can write down mathematical equations that describe how you create 3D.

And for self-driving cars and things like that, if you're going to have passive vision systems, you're going to do this kind of thing where you actually take in images and create a 3D world.

Now, most self-driving cars are active, so they're sending out signals and bouncing light back and getting distance that way.

But you don't do that.

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