3Blue1Brown
Grant Sanderson's maths lessons, plus the written versions of the animations that made linear algebra look like geometry.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
How to get the most from it
3Blue1Brown sits in Interactive Explainers under Learn, filed as coffee break.
- Set aside five to fifteen minutes and give it your proper attention.
- It works on a phone or a desktop, so open it on whatever is nearest.
- Turn the sound up or put headphones on — it needs audio.
- No account needed — you can start without signing up.
- Go in expecting something brainy, beautiful and mesmerising.
About this category: Explainers that use motion, interaction and scrolling to teach what a paragraph never could. The clearest teaching on the internet lives here.
Good for
- Filling a coffee break properly
- Giving your brain a workout
- Looking at something lovely
- Watching something hypnotic for a while
- Killing time on your phone
- Trying it with zero commitment
3Blue1Brown: quick answers
Is 3Blue1Brown free?
Yes. 3Blue1Brown is free to use and needs no account.
Do I need an account to use 3Blue1Brown?
No. You can use 3Blue1Brown without signing up for anything.
Does 3Blue1Brown work on a phone?
Yes. 3Blue1Brown works on phones as well as desktop browsers.
Is 3Blue1Brown safe for work?
Yes, we file it as safe for work. It does need sound, so bring headphones.
How long does 3Blue1Brown take?
We file it as "Coffee break": Five to fifteen minutes of proper attention.
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