3Blue1Brown

Alice, Bob, and the average shadow of a cube

A few of the best math explainers from this summer

Beyond the Mandelbrot set, an intro to holomorphic dynamics

Newton's Fractal (which Newton knew nothing about)

The Summer of Math Exposition

A quick trick for computing eigenvalues | Chapter 15, Essence of linear algebra

How (and why) to raise e to the power of a matrix | DE6

The medical test paradox, and redesigning Bayes' rule

Hamming codes part 2, the elegance of it all

How to send a self-correcting message (Hamming codes)

Group theory, abstraction, and the 196,883-dimensional monster

The impossible chessboard puzzle

Tips to be a better problem solver [Last live lecture] | Ep. 10 Lockdown live math

Intuition for i to the power i | Ep. 9 Lockdown live math

The DP-3T algorithm for contact tracing (via Nicky Case)

The power tower puzzle | Ep. 8 Lockdown live math

What makes the natural log "natural"? | Ep. 7 Lockdown live math

Logarithm Fundamentals | Lockdown math ep. 6

Imaginary interest rates | Lockdown math ep. 5

What is Euler's formula actually saying? | Lockdown math ep. 4

Complex number fundamentals | Lockdown math ep. 3

Trigonometry fundamentals | Lockdown math ep. 2

The simpler quadratic formula | Lockdown math ep. 1

Lockdown math announcement