3blue1brown

Divergence and Curl (Public release)

Going sponsor-free

Hey everyone,

As mentioned at the end of the most recent video, one thing I'd like to do with the channel moving forward is to go sponsor-free, which is to say stop doing those little promos ...

Early view of next video

Hey folks!

Here’s a draft of the next video.  Let me know if you see any errors, or have other feedback.

-Grant

Update

Hi everyone,

As you know, at the start of this year I began experimenting with bringing on other creators in the hopes of increasing the output of the channel.  After trying this out for a few ...

New probability video, chapter 1

Hey everyone,

After hop-scotching around with a couple videos for the middle of the series, there is now finally a contender for chapter 1.  At the moment, it is lacking an ending which will tr...

New video! What they won't teach you in calculus

Hey everyone,

This is a fun one on an alternate way to visualize the derivative.  The real reason for making it is for the sequel that will come, on how this idea generalizes to higher dimensio...

New linear algebra video! Cramer's rule (plus some bonus material)

Hello Patrons!

A new linear algebra video is ready!  In adding more videos to the series, I have two goals:  1) Fill in the gaps that I see within the topics of the original series, and 2)...

New linear algebra video coming soon...

Hey everyone!

Do you know what I appreciate?  Your patience with me when it comes to future "Essence of _____" series.  For much of the past year, I've repeatedly taken a look at Probabili...

A new proof of the Wallis product for pi

What a delightful example of what happens when you get multiple people working together on math exposition.  As mentioned in the video, after making the video on the Basel problem, which was base...

Full winding numbers video

I realized I hadn't yet put up a full version of this on Patreon, and there was only the teaser.  I'm guessing many of you have already seen it, but for completeness, here we go!

As mentioned, ...

Pi day video followup

Hey folks!

Looking at the poll I put out last week for whether or not the Pi day video should be Patreon-funded like other videos, it looks like we have a  noticeable-but-not-overwhelming tilt ...

Partial new video preview + Update

Hey everyone,

I thought I'd share a little about what is in the pipeline.  Here's the first 2/3 of an upcoming video on winding numbers.  Specifically, it's all the parts *not yet* about w...

Early view of Basel video

Hey Everyone,

I wanted to give you a sneak peek of a new video I plan to publish Friday.  The recording right now is a bit off (I think the gain on the mic was accidentally bumped up), but befo...

Uncertainty principle? It's not about quantum.

Hey everyone,

Boy, let me tell you, this project ended up being *way* different from what I initially expected.  At the start, I had in mind doing a simple followup of the Fourier transform vid...

Plushie pi creatures are in!

Hey Everyone,

The first batch of plushie pi creatures has now arrived!  Anybody supporting at $2 or has access to them...

Reduced prices on 3b1b merchandise for $5+ patrons

Hey folks!

For anybody pledging at $5 or more, I'd like to offer 50% off pricing on items in the 3b1b store...

New video, Fourier transforms!

Hi Everyone,

It's been over a month since I posted, but I finally got around to one of the most commonly requested topics: Fourier transforms.  Part of the reason for the delay is that the two ...

New (very different) video!

Hi Everyone,

Something very different for the holidays here, with numerous guests.  This was fun to put together, and the math at the heart of it involves some of my favorite little nuggets fro...

New probability video!

Hey everyone,

I (finally) have a new probability for the series.  This is a fundamental one, describing the function "n choose k".  In contemplating why this is important for probability, ...

New video! The hardest problem on the hardest test

Hey everyone,

The new video is live.  It had been a while since I'd done a neat-proof-style video, so I was pleased to get around to this.  Hope you enjoy!  

There will be a new...

Sneak peek of tomorrow's video, see any errors?

Hey folks,

Here's a video I'm planning to post tomorrow.  For any of you who catch this tonight, let me know if you see any errors.

-Grant

Backpropagation calculus

Hey folks, just making a Patreon post for the "Backpropagation calculus" video, based on the outcome of this poll.

If y...

Backpropagation early view, and a question

Hey everyone!

I have for you a draft for the upcoming backpropagation video.  I have not yet put in music, and I held off on a small part on the end, because I wanted to ask you guys your thoug...

Animation previews for $4+ Patrons

Hello $4+ Patrons!

For those of you who like to have little sneak peeks for what I'm working on in the form of animation previews, I'll use this post to point to animations form the current p...

NN Part 2 is now public!

Same video as yesterday's post (fixed up a bit), but now it is public, so feel free to help share it and all that.   Thanks!

Early view of next Neural Networks video

Hello all!

Here's a little peek at the current draft for the second neural networks video.  Please let me know any suggestions you have, or errors you catch.

You know, it's funny, I origi...

New video is live!

I already posted this in an early release to you guys (thanks for the feedback and error-catches), but the new video is now live at thi...

Backpropagation preview

Hey $4+ patrons,

As you know, I'm working on the sequel to the introductory neural network video I posted to you the other day.  I thought I'd share a little preview for some backpropagation an...

New video! (Early view)

Hey everyone,

I've got a new video for you, part 1 of what has turned into a two-video project on neuron networks.  I was hoping to get this done by yesterday, since I usually try to post on Fr...

More podcast episodes

Hey everyone,

There are a few more Ben Ben and Blue episodes, for those of you curious to take a listen.  I'd especially l...