Here's an excerpt from the most recent video on how Shannon studied the entropy of English, animated by Mitchell Zemil
June 12, 2026 at 1:28 PM
Here's an excerpt from the most recent video on how Shannon studied the entropy of English, animated by Mitchell Zemil
@quantabooks.org just released their first book, on the story of Lean by @kevinhartnett.bsky.social. It's a great story, about a pretty significant part of what's happening in math right now.
www.quantabooks.org/books/the-pr...
www.quantabooks.org/books/the-pr...
The Proof in the Code - Quanta Books
The inside story of Lean, a computer program that answers the age-old question: How do you know if something is true?
www.quantabooks.org
June 10, 2026 at 2:58 PM
@quantabooks.org just released their first book, on the story of Lean by @kevinhartnett.bsky.social. It's a great story, about a pretty significant part of what's happening in math right now.
www.quantabooks.org/books/the-pr...
www.quantabooks.org/books/the-pr...
Suppose you wanted to reinvent the idea of Shannon Entropy for yourself. This puzzle is a good place to start (Full video on YouTube).
June 10, 2026 at 2:24 PM
Suppose you wanted to reinvent the idea of Shannon Entropy for yourself. This puzzle is a good place to start (Full video on YouTube).
This video was a complete joy to make. Here's a short preview, but next time you're looking to sit down for 45 minutes of math and art, take a look at the full version on YouTube: youtu.be/ldxFjLJ3rVY
March 22, 2026 at 7:10 PM
This video was a complete joy to make. Here's a short preview, but next time you're looking to sit down for 45 minutes of math and art, take a look at the full version on YouTube: youtu.be/ldxFjLJ3rVY
Happy Pi Day! In a certain sense, π is not a constant, but a variable. Using our usual Euclidean distance, it is 3.14159… but applying other L^p norms on ℝ², half the unit circle's perimeter will give other values. For instance, at p=1 (taxicab geometry), “π” = 2√2. At p ≈ 2.2, it's 3.20.
March 14, 2026 at 4:17 PM
Happy Pi Day! In a certain sense, π is not a constant, but a variable. Using our usual Euclidean distance, it is 3.14159… but applying other L^p norms on ℝ², half the unit circle's perimeter will give other values. For instance, at p=1 (taxicab geometry), “π” = 2√2. At p ≈ 2.2, it's 3.20.
Well, math terminology being what it is, something like this was bound to happen eventually.
(If you're curious about why these balls are so puny, the full talk is up on YouTube)
(If you're curious about why these balls are so puny, the full talk is up on YouTube)
February 27, 2026 at 3:45 PM
Well, math terminology being what it is, something like this was bound to happen eventually.
(If you're curious about why these balls are so puny, the full talk is up on YouTube)
(If you're curious about why these balls are so puny, the full talk is up on YouTube)
New video! Memorable for its delightfully absurd name, the Hairy Ball Theorem is extremely beautiful and has some surprising applications: youtu.be/BHdbsHFs2P0
January 31, 2026 at 3:36 PM
New video! Memorable for its delightfully absurd name, the Hairy Ball Theorem is extremely beautiful and has some surprising applications: youtu.be/BHdbsHFs2P0
The Ladybug Clock puzzle
January 20, 2026 at 3:20 PM
The Ladybug Clock puzzle
I had fun joining @peterrowlett.net and @steckl.es recently on their mathematical objects podcast, talking about my wood puzzle collection. Most of the time was spent struggling desperately to describe a highly visual topic in an audio-only context.
open.spotify.com/episode/0rRM...
open.spotify.com/episode/0rRM...
Mathematical Objects: 3D wooden puzzle with Grant Sanderson
open.spotify.com
November 7, 2025 at 2:23 PM
I had fun joining @peterrowlett.net and @steckl.es recently on their mathematical objects podcast, talking about my wood puzzle collection. Most of the time was spent struggling desperately to describe a highly visual topic in an audio-only context.
open.spotify.com/episode/0rRM...
open.spotify.com/episode/0rRM...
The next video in the Laplace Transform sequence is up!
youtu.be/FE-hM1kRK4Y
Here, we dig into a concrete example, the forced oscillator. Some of you may remember that this was relevant for studying why light slows down in a medium.
youtu.be/FE-hM1kRK4Y
Here, we dig into a concrete example, the forced oscillator. Some of you may remember that this was relevant for studying why light slows down in a medium.
November 5, 2025 at 1:37 PM
The next video in the Laplace Transform sequence is up!
youtu.be/FE-hM1kRK4Y
Here, we dig into a concrete example, the forced oscillator. Some of you may remember that this was relevant for studying why light slows down in a medium.
youtu.be/FE-hM1kRK4Y
Here, we dig into a concrete example, the forced oscillator. Some of you may remember that this was relevant for studying why light slows down in a medium.
Ever since I made a video about Fourier Transforms, one of the most requested topics on the channel has been its close cousin, the Laplace Transform.
I've been having a lot of fun animating a mini-series about this topic, and the main part is now out.
youtu.be/j0wJBEZdwLs
I've been having a lot of fun animating a mini-series about this topic, and the main part is now out.
youtu.be/j0wJBEZdwLs
But what is a Laplace Transform?
YouTube video by 3Blue1Brown
youtu.be
October 12, 2025 at 12:49 PM
Ever since I made a video about Fourier Transforms, one of the most requested topics on the channel has been its close cousin, the Laplace Transform.
I've been having a lot of fun animating a mini-series about this topic, and the main part is now out.
youtu.be/j0wJBEZdwLs
I've been having a lot of fun animating a mini-series about this topic, and the main part is now out.
youtu.be/j0wJBEZdwLs
Much of Euclid’s Elements is easily misunderstood. Some proofs seem to have logical gaps. Some constructions seem pointless, others seem needlessly convoluted.
Each of these provides a window into how the ancient Greeks thought about math and the philosophical role that geometry played.
Each of these provides a window into how the ancient Greeks thought about math and the philosophical role that geometry played.
Why ruler and compass? | Guest video by @bensyversen
YouTube video by 3Blue1Brown
youtu.be
September 18, 2025 at 2:24 PM
Much of Euclid’s Elements is easily misunderstood. Some proofs seem to have logical gaps. Some constructions seem pointless, others seem needlessly convoluted.
Each of these provides a window into how the ancient Greeks thought about math and the philosophical role that geometry played.
Each of these provides a window into how the ancient Greeks thought about math and the philosophical role that geometry played.
New video about a piece by the modern artist Sol LeWitt, and the group theory behind it.
youtu.be/_BrFKp-U8GI
youtu.be/_BrFKp-U8GI
September 7, 2025 at 12:39 PM
New video about a piece by the modern artist Sol LeWitt, and the group theory behind it.
youtu.be/_BrFKp-U8GI
youtu.be/_BrFKp-U8GI
Guest video 3/5 while I'm on leave is now up! It's by a former SoME winner, covering key ideas in statistical mechanics to create a simple and discrete model mirroring the behavior of a fluid transitioning between a liquid and gaseous state. Enjoy!
youtu.be/itRV2jEtV8Q
youtu.be/itRV2jEtV8Q
Simulating Phase Change | Guest video by Vilas Winstein
YouTube video by 3Blue1Brown
youtu.be
August 28, 2025 at 2:21 PM
Guest video 3/5 while I'm on leave is now up! It's by a former SoME winner, covering key ideas in statistical mechanics to create a simple and discrete model mirroring the behavior of a fluid transitioning between a liquid and gaseous state. Enjoy!
youtu.be/itRV2jEtV8Q
youtu.be/itRV2jEtV8Q
Hey, psst, you can find early views for two upcoming guest videos on Patreon, one about statistical mechanics and another covering a story of modern art and group theory.
Notes on early releases are always helpful before finalizing a video.
www.patreon.com/posts/explor...
Notes on early releases are always helpful before finalizing a video.
www.patreon.com/posts/explor...
Exploration & Epiphany (Early view) | 3Blue1Brown
Get more from 3Blue1Brown on Patreon
www.patreon.com
August 23, 2025 at 6:01 PM
Hey, psst, you can find early views for two upcoming guest videos on Patreon, one about statistical mechanics and another covering a story of modern art and group theory.
Notes on early releases are always helpful before finalizing a video.
www.patreon.com/posts/explor...
Notes on early releases are always helpful before finalizing a video.
www.patreon.com/posts/explor...
New video on the details of diffusion models: youtu.be/iv-5mZ_9CPY
Produced by Welch Labs, this is the first in a short series of 3b1b this summer. I enjoyed providing editorial feedback throughout the last several months, and couldn't be happier with the result.
Produced by Welch Labs, this is the first in a short series of 3b1b this summer. I enjoyed providing editorial feedback throughout the last several months, and couldn't be happier with the result.
But how do AI videos actually work? | Guest video by @WelchLabsVideo
YouTube video by 3Blue1Brown
youtu.be
July 25, 2025 at 12:27 PM
New video on the details of diffusion models: youtu.be/iv-5mZ_9CPY
Produced by Welch Labs, this is the first in a short series of 3b1b this summer. I enjoyed providing editorial feedback throughout the last several months, and couldn't be happier with the result.
Produced by Welch Labs, this is the first in a short series of 3b1b this summer. I enjoyed providing editorial feedback throughout the last several months, and couldn't be happier with the result.
In the most recent video about quantum computing, I saw many comments expressing a similar point of confusion regarding Grover's algorithm.
I made a follow-up to (hopefully) clarify some of the issues and to address a few other under-emphasized points.
youtu.be/Dlsa9EBKDGI
I made a follow-up to (hopefully) clarify some of the issues and to address a few other under-emphasized points.
youtu.be/Dlsa9EBKDGI
Where my explanation of Grover’s algorithm failed
YouTube video by 3Blue1Brown
youtu.be
May 4, 2025 at 11:57 AM
In the most recent video about quantum computing, I saw many comments expressing a similar point of confusion regarding Grover's algorithm.
I made a follow-up to (hopefully) clarify some of the issues and to address a few other under-emphasized points.
youtu.be/Dlsa9EBKDGI
I made a follow-up to (hopefully) clarify some of the issues and to address a few other under-emphasized points.
youtu.be/Dlsa9EBKDGI
New video! This covers the fundamentals of quantum computing and builds up to a step-by-step walk-through of an important algorithm in the field.
youtu.be/RQWpF2Gb-gU
youtu.be/RQWpF2Gb-gU
But what is Quantum Computing? (Grover's Algorithm)
YouTube video by 3Blue1Brown
youtu.be
April 30, 2025 at 12:51 PM
New video! This covers the fundamentals of quantum computing and builds up to a step-by-step walk-through of an important algorithm in the field.
youtu.be/RQWpF2Gb-gU
youtu.be/RQWpF2Gb-gU
The most viewed thing I've ever made is a short about two colliding blocks computing π. I just made a new edition of the explanation for why π shows up there, setting things up for a (coming soon) follow-on connecting it to quantum computing.
youtu.be/6dTyOl1fmDo
youtu.be/6dTyOl1fmDo
There's more to those colliding blocks computing pi
YouTube video by 3Blue1Brown
youtu.be
March 13, 2025 at 3:46 PM
The most viewed thing I've ever made is a short about two colliding blocks computing π. I just made a new edition of the explanation for why π shows up there, setting things up for a (coming soon) follow-on connecting it to quantum computing.
youtu.be/6dTyOl1fmDo
youtu.be/6dTyOl1fmDo
I have a pi-day challenge for all the physics students among you (or anyone willing to set up an experiment). If you share your results with me by March 10th, I may feature them in a video, depending on how good the results are and how many I get.
February 26, 2025 at 5:30 PM
I have a pi-day challenge for all the physics students among you (or anyone willing to set up an experiment). If you share your results with me by March 10th, I may feature them in a video, depending on how good the results are and how many I get.
Part 2 of the collaboration with Terence Tao on the cosmic distance ladder is now out. It covers how we first learned the distances to planets, stars, and galaxies far, far away.
youtu.be/hFMaT9oRbs4
youtu.be/hFMaT9oRbs4
The cosmic distance ladder with Terence Tao, part 2
YouTube video by 3Blue1Brown
youtu.be
February 23, 2025 at 3:00 PM
Part 2 of the collaboration with Terence Tao on the cosmic distance ladder is now out. It covers how we first learned the distances to planets, stars, and galaxies far, far away.
youtu.be/hFMaT9oRbs4
youtu.be/hFMaT9oRbs4
New video! Terence Tao on how we measure the cosmos: youtu.be/YdOXS_9_P4U
Terence Tao on how we measure the cosmos | Part 1
YouTube video by 3Blue1Brown
youtu.be
February 8, 2025 at 1:46 PM
New video! Terence Tao on how we measure the cosmos: youtu.be/YdOXS_9_P4U
I've had fun editing together on a very different kind of video from the norm. Keep an eye out this weekend.
February 6, 2025 at 3:44 PM
I've had fun editing together on a very different kind of video from the norm. Keep an eye out this weekend.
January 24, 2025 at 10:50 PM
New* video! If you’ve ever wondered what topology is, this problem is one of the best examples I know of to give an authentic sense of what it’s all about: youtu.be/IQqtsm-bBRU
December 24, 2024 at 7:03 PM
New* video! If you’ve ever wondered what topology is, this problem is one of the best examples I know of to give an authentic sense of what it’s all about: youtu.be/IQqtsm-bBRU