Scott Aaronson | How Much Math Is Knowable?

Harvard CMSA1 HN recommenders · 2025–2025
58K views · lecture · evergreen · Uploaded 2025-04-22

Scott Aaronson's Harvard CMSA talk traces what mathematical truths are knowable, from Godel and Turing to the Busy Beaver function. He covers recent work on Busy Beaver values.

Pointed to in Busy Beaver threads as an accessible expert talk on the topic.

Watch on YouTube

3 comments from Hacker News

@nthingtohide2025 · in “AI Horseless Carriages”

Feature Request: Can we have dark mode for videos? An AI OS should be able to understand and satisfy such a usecases. E.g. Scott Aaronson | How Much Math Is Knowable? [VIDEO] The video slides could be converted into a dark mode for night viewing.

@vismit20002025 · in “BusyBeaver(6) Is Quite Large”

Scott Aaronson | How Much Math Is Knowable? [Harward CMSA]: [VIDEO] Recently on HN (couple of months ago): [LINK]

@ks20482025 · in “Determination of the fifth Busy Beaver value”

An interesting thing about this is that they figured out a high-level description of what this Busy Beaver program is doing - it's computing a Collatz-like sequence until it terminates. I'm not sure if that is described in this paper, but I learned about it in this Scott Aaronson talk, [VIDEO] e.g see the slide at 31:40.

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