RSS Parrot

The last IMO problem AI could not solve

https://3blue1brown.substack.com/p/the-last-imo-problem-ai-could-not

Published: September 18, 2026 17:13

Problem 6 from the 2025 International Math Olympiad

Peer review for SoME5

https://3blue1brown.substack.com/p/peer-review-for-some5

Published: August 25, 2026 21:44

Plus a preview of what’s in the works for 3blue1brown

But what is cross-entropy?

https://3blue1brown.substack.com/p/but-what-is-cross-entropy

Published: July 16, 2026 12:01

Compression is Intelligence Part 2

On monthly puzzles

https://3blue1brown.substack.com/p/on-monthly-puzzles

Published: June 17, 2026 17:58

And the plan for their solutions

Reinventing Entropy

https://3blue1brown.substack.com/p/reinventing-entropy

Published: June 7, 2026 11:51

Compression & Intelligence Part 1

Escher's most mathematically interesting piece

https://3blue1brown.substack.com/p/eschers-most-mathematically-interesting

Published: March 22, 2026 12:59

The Print Gallery, and the tour of complex analysis it invites.

The most underappreciated formula

https://3blue1brown.substack.com/p/the-most-underappreciated-formula

Published: February 27, 2026 15:21

Exploring spheres in higher dimensions

The Hairy Ball Theorem

https://3blue1brown.substack.com/p/the-hairy-ball-theorem

Published: January 31, 2026 15:03

A few surprising applications of one of the most absurdly named theorems in topology, together with a beautiful proof for why it is true.

SoME4 Prizes

https://3blue1brown.substack.com/p/some4-prizes

Published: January 16, 2026 16:22

Winners of the supplementary "helpful for teachers" prize we set up for the 2025 Summer of Math Exposition

Recruiting, both for myself and for other companies (potentially yours)

https://3blue1brown.substack.com/p/recruiting-both-for-myself-and-for

Published: December 4, 2025 21:46

I have two small requests, both of which I’ll elaborate on further down in this post.

How Laplace transforms solve differential equations

https://3blue1brown.substack.com/p/how-laplace-transforms-solve-differential

Published: November 5, 2025 13:09

Studying the forced oscillator

But what is a Laplace Transform?

https://3blue1brown.substack.com/p/but-what-is-a-laplace-transform

Published: October 12, 2025 11:49

Visualizing the most important tool for differential equations.

Why complex exponents matter

https://3blue1brown.substack.com/p/why-complex-exponents-matter

Published: October 5, 2025 14:00

Laplace Transform Prelude

Why Ruler and Compass?

https://3blue1brown.substack.com/p/why-ruler-and-compass

Published: September 18, 2025 14:19

The fifth and final guest video

Exploration & Epiphany

https://3blue1brown.substack.com/p/exploration-and-epiphany

Published: September 7, 2025 12:55

A guest video about Sol LeWitt's incomplete open cubes, and the group theory behind it.

Simulating Phase Change

https://3blue1brown.substack.com/p/simulating-phase-change

Published: August 28, 2025 14:18

Guest video by Vilas Winstein

The AI that solved IMO Geometry Problems

https://3blue1brown.substack.com/p/the-ai-that-solved-imo-geometry-problems

Published: August 17, 2025 13:02

Guest video by Aleph0 ​

But how do AI videos actually work?

https://3blue1brown.substack.com/p/but-how-do-ai-videos-actually-work

Published: July 25, 2025 12:14

Guest video by from Welch Labs

Summer of Math Exposition #4

https://3blue1brown.substack.com/p/summer-of-math-exposition-4

Published: May 5, 2025 16:21

Teachers, I'd love to hear from you

Where my explanation of Grover’s algorithm failed

https://3blue1brown.substack.com/p/where-my-explanation-of-grovers-algorithm

Published: May 4, 2025 11:54

Addressing some viewer questions from the most recent video

But what is Quantum Computing?

https://3blue1brown.substack.com/p/but-what-is-quantum-computing

Published: April 30, 2025 12:38

Building up to Grover's Algorithm