3blue1brown

Bertrand's paradox (with Numberphile)

In case the 40-minute video wasn't enough for you today, I also did a video with Numberphile about a fun conundrum from probability known as Bertrand's paradox. It was originally something I wanted...

Alice, Bob and the average shadow of a cube

New video! 

This is a long one, and took quite a bit of work in the end, but I hope you enjoy it. It's a story of problem solving, centered on one quite fun puzzle, which is to find the ...

Summer of Math Exposition results

In this video, I talk about the results of the Summer of Math Exposition, announcing the 5 winners, and mentioning many more of the entries I really enjoyed. Even then, there are countless others I...

Holomorphic Dynamics (early view)

This is the follow-on to the Newton's fractal video. I tried to frame it in such a way that it doesn't necessarily require watching the first as a prerequisite, so perhaps I should simply say here'...

Newton's Fractal, the finalized verison

Thank you for many helpful comments on the early teaser!

A draft for the follow-on should be in your inboxes shortly...

SIGGRAPH Talk + September update

Hey everyone,

Above is a recording for a remote talk I did for SIGGRAPH this year, for anyone who is curious. Apologies for the sound quality, something about the mixture of my mic's settings...

Root-finding fractals

Hey everyone,

While working on a video about the unsolvability of the quintic, I put together this kind of side plot about fractals that arise from root-finding algorithms.

In all likel...

Textbooks, pi creatures and problem solving | 3blue1brown Q&A for Bilibili

Last year, the page for 3blue1brown on Bilibili (a Chinese video platform) surpassed 1 million followers. Although this isn't exactly timely, I made a Q&A to mark the occasion, with questions d...

More articles!

The new site is up! Here's some of what we've converted to written form, often with a some interactive elements sprinkled in whe...

New podcast episode: Beyond Khan Academy

Episode 2 of the 3b1b podcast is out now, featuring Sal Khan.

Since the podcast is a sort of a separate project from the main lessons that this Patreon is about, I'll spare your inbox and hol...

First podcast episode is live!

The first episode of the 3b1b podcast is out now.  It's an interview with the mathematician Alex Kontorovich, covering all things math from education to research, outreach, the role of proof-c...

New video: Why aren't you making math videos?

As mentioned in the previous update, we are doing a contest encouraging more people to get started with math exposition online.  Rather than simply posting an announcement video, I decided to ...

The great bloggification, SoME1, a podcast, and a promise that there are actual videos in the works

Hi everyone,

For anyone following closely, things might seem a little quiet on the 3blue1brown front, but under the hood, there's actually been quite a bit going on.

TL;DR:

- New ...

A quick trick for computing eigenvalues

This is less of a visually focused video than the norm for the channel, but it covers something I wish I knew when I was in college.  Also, it involves a fun cameo from Tim Blais, from the (fa...

Final version of raising e to the power of a matrix

Hi everyone,

The final version is out!  For those of you who watched the draft, you'll find new content starting around 22:00, explaining the flow visualization and giving the main idea ...

Matrix exponentiation (early view)

Hi Everyone,

Here is a draft of an upcoming video about exponentiating matrices, which will be the first of multiple.  As always, kindly let me know if you find any errors.  I'm sha...

Video bloggification and continuation of differential equations

Hi everyone,

First off, I wanted to thank you for the very kind response to last month's update.  It means ...

Manim Community

In my last post, I mentioned a little bit about what I had been doing with manim, but one thing I neglected to talk about is that for a while now, there's been a lot of parallel development from an...

January update, (manim upgrades, part-time hire, etc.)

Unfortunately, no new videos for January.  I've paused the Patreon billing for this month since in general content production has been slower recently, and you've all been very patient.

...

Medical test probabilities draft

Hey everyone,

Here is a draft for a video about medical test probabilities I plan to publish soon, let me know if you catch any errors or otherwise have feedback that can be incorporated.

Discrete Fourier Transforms

Hi Everyone, just a quick post here to share a lecture I did on the basics of what a Discrete Fourier Transform is for MIT's 18.S191, hope you enjoy!

At the end I reference a really excellent...

Current video status + A couple lectures

Hey everyone,

I was really hoping to have a new video out to you by now, namely the one on medical tests and probability.  If all goes to plan, the projects in the coming month or two sh...

Update

Hey everyone,

I wanted to share a bit about what videos have been brewing and what to expect in the hopefully-not-too-distant future.

The next video out will discuss how to reason about...

MIT Lectures

Hi Everyone,

I mentioned in a previous post that I'd be collaborating with an MIT group on a course they're running about "computational thinking" this semester.  Well, it's happening! &...

Hamming codes part 2, early view

Following up on the last post, here’s a draft of part 2 to the error correction project.

(Edit: swapping out video link for the finalized version)

Hamming codes, part 1 (early view)

Hi Everyone,

Above is an early view of the next video.  I should get part 2 to you in the next couple of days, then the plan is to publish them both jointly.  Also, in conjunction, ...

The monster (early view)

Hi everyone,

A few weeks ago some fellow math YouTubers (James Grime and Matt Parker) decided to put together a kind of mega-collaboration, where a number of us would each make a video on a c...

Update

Hey everyone,

It's been a few weeks since the last video, and the one I'm working on now still looks like it might take a while, so I thought I'd pass along a little update.

The current...

Solution to the chessboard puzzle

The two videos on the chessboard puzzle are now live!  Give that I've already shared the first with you, linked above is the other part done with Matt Parker on Stand-up Maths.

In it, we...

The impossible chessboard puzzle (early view)

Hi Everyone,

Here's a draft for half of a recent project done in collaboration with Matt Parker.  While the video on his channel will include the actual solution to this relevant puzzle,...