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3Blue1Brown

3Blue1Brown

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About this podcast

Explore mathematical ideas, from algebra and calculus to probability and the concepts behind them.Links:All things 3b1b: https://www.3blue1brown.comPatreon: https://www.patreon.com/3blue1brownMailing list: https://3blue1brown.substack.com/Twitter: https://www.twitter.com/3blue1brownReddit: https://www.reddit.com/r/3blue1brownInstagram: https://www.instagram.com/3blue1brownFacebook: https://www.facebook.com/3blue1brownStore: https://store.dftba.com/collections/3blue1brown

Episodes

• e to the pi i, a nontraditional take (old version)

  Nov 14, 2026 · 8:58

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• Winding numbers and domain coloring

  Nov 14, 2026 · 30:55

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• 25 Math explainers you may enjoy | SoME3 results

  Nov 14, 2026 · 28:56

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• Bacteria Grid Puzzle Solution

  Nov 14, 2026 · 5:44

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• Make math videos! | Summer of Math Exposition announcement

  Nov 14, 2026 · 32:05

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• Tattoos on Math

  Nov 14, 2026 · 9:41

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• What does area have to do with slope? | Chapter 9, Essence of calculus

  Nov 14, 2026 · 17:23

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• How pi was almost 6.283185...

  Nov 14, 2026 · 8:37

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• Derivative formulas through geometry | Chapter 3, Essence of calculus

  Nov 13, 2026 · 23:18

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• Vectors | Chapter 1, Essence of linear algebra

  Nov 13, 2026 · 13:36

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• Newton’s fractal (which Newton knew nothing about)

  Nov 13, 2026 · 33:50

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• The last IMO problem AI could not solve

  Nov 13, 2026 · 59:40

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• Reinventing Entropy | Compression is Intelligence Part 1

  Nov 13, 2026 · 40:04

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• Why is pi here? And why is it squared? A geometric answer to the Basel problem

  Nov 13, 2026 · 22:52

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• Music And Measure Theory

  Nov 13, 2026 · 17:57

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• Why you can't comb a hairy ball, and why we care

  Nov 13, 2026 · 37:24

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• Beyond the Mandelbrot set, an intro to holomorphic dynamics

  Nov 13, 2026 · 35:20

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• Euler's formula with introductory group theory

  Nov 13, 2026 · 32:12

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• Integration and the fundamental theorem of calculus | Chapter 8, Essence of calculus

  Nov 13, 2026 · 27:30

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• Cross products in the light of linear transformations | Chapter 11, Essence of linear algebra

  Nov 13, 2026 · 17:54

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• The more general uncertainty principle, regarding Fourier transforms

  Nov 13, 2026 · 23:51

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• 2021 Summer of Math Exposition results

  Nov 13, 2026 · 17:24

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• But what is a Laplace Transform?

  Nov 13, 2026 · 42:25

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• Nonsquare matrices as transformations between dimensions | Chapter 8, Essence of linear algebra

  Nov 13, 2026 · 7:11

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• But what is the Fourier Transform? A visual introduction.

  Nov 13, 2026 · 26:26

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• Three-dimensional linear transformations | Chapter 5, Essence of linear algebra

  Nov 13, 2026 · 7:30

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• Why colliding blocks compute pi

  Nov 13, 2026 · 33:51

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• Bayes theorem, the geometry of changing beliefs

  Nov 13, 2026 · 20:55

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• A tale of two problem solvers | Average cube shadow area

  Nov 13, 2026 · 47:50

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• Change of basis | Chapter 13, Essence of linear algebra

  Nov 13, 2026 · 17:35

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• The quick proof of Bayes' theorem

  Nov 13, 2026 · 6:32

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• The paradox of the derivative | Chapter 2, Essence of calculus

  Nov 13, 2026 · 22:34

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• Why this puzzle is impossible

  Nov 13, 2026 · 26:21

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• QandA with Grant, windy walk edition

  Nov 13, 2026 · 25:50

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• Abstract vector spaces | Chapter 16, Essence of linear algebra

  Nov 13, 2026 · 22:30

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• The Brachistochrone, with Steven Strogatz

  Nov 13, 2026 · 21:46

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• Exponential growth and epidemics

  Nov 13, 2026 · 12:41

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• Solving Wordle using information theory

  Nov 13, 2026 · 38:22

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• Limits, L'Hôpital's rule, and epsilon delta definitions | Chapter 7, Essence of calculus

  Nov 13, 2026 · 24:11

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• Why do prime numbers make these spirals? | Dirichlet’s theorem and pi approximations

  Nov 13, 2026 · 29:05

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• What's so special about Euler's number e? | Chapter 5, Essence of calculus

  Nov 13, 2026 · 18:34

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• QandA #2 + Net Neutrality Nuance

  Nov 13, 2026 · 6:49

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• Binomial distributions | Probabilities of probabilities, part 1

  Nov 13, 2026 · 17:18

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• How (and why) to take a logarithm of an image

  Nov 13, 2026 · 52:36

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• Simulating and understanding phase change | Guest video by Vilas Winstein

  Nov 13, 2026 · 48:47

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• Oh, wait, actually the best Wordle opener is not “crane”…

  Nov 13, 2026 · 14:37

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• The unexpectedly hard windmill question (2011 IMO, P2)

  Nov 13, 2026 · 21:47

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• Simulating an epidemic

  Nov 13, 2026 · 30:56

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• The barber pole optical mystery

  Nov 13, 2026 · 5:44

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• This open problem taught me what topology is

  Nov 13, 2026 · 35:10

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• e^(iπ) in 3.14 minutes, using dynamics | DE5

  Nov 13, 2026 · 6:52

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• The hardest problem on the hardest test

  Nov 13, 2026 · 15:59

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• How to count to 1000 on two hands

  Nov 13, 2026 · 5:18

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• Why “probability of 0” does not mean “impossible” | Probabilities of probabilities, part 2

  Nov 13, 2026 · 13:45

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• What does it feel like to invent math?

  Nov 13, 2026 · 20:52

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• Olympiad level counting (Generating functions)

  Nov 13, 2026 · 42:20

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• Pure Fourier series animation montage

  Nov 12, 2026 · 17:13

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• Matrix multiplication as composition | Chapter 4, Essence of linear algebra

  Nov 12, 2026 · 13:48

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• How Earth's size was computed by Eratosthenes

  Nov 12, 2026 · 4:51

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• Lockdown math announcement

  Nov 12, 2026 · 4:57

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• Backpropagation calculus | Deep Learning Chapter 4

  Nov 12, 2026 · 14:02

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• But how do AI images and videos actually work? | Guest video by Welch Labs

  Nov 12, 2026 · 45:04

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• But what is a Fourier series? From heat flow to drawing with circles | DE4

  Nov 12, 2026 · 32:31

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• Where my explanation of Grover’s algorithm failed

  Nov 12, 2026 · 22:07

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• How to lie using visual proofs

  Nov 12, 2026 · 24:33

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• The simpler quadratic formula | Ep. 1 Lockdown live math

  Nov 12, 2026 · 59:55

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• How might LLMs store facts | Deep Learning Chapter 7

  Nov 12, 2026 · 29:27

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• Eigenvectors and eigenvalues | Chapter 14, Essence of linear algebra

  Nov 12, 2026 · 23:00

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

  Nov 12, 2026 · 7:08

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• Solving the heat equation | DE3

  Nov 12, 2026 · 18:57

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• Backpropagation, intuitively | Deep Learning Chapter 3

  Nov 12, 2026 · 17:31

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• Hilbert's Curve: Is infinite math useful?

  Nov 12, 2026 · 24:02

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• Inverse matrices, column space and null space | Chapter 7, Essence of linear algebra

  Nov 12, 2026 · 16:53

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• Trigonometry fundamentals | Ep. 2 Lockdown live math

  Nov 12, 2026 · 1:21:02

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• Terence Tao on the cosmic distance ladder

  Nov 12, 2026 · 36:17

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• How are holograms possible?

  Nov 12, 2026 · 54:08

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• The determinant | Chapter 6, Essence of linear algebra

  Nov 12, 2026 · 13:47

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• Large Language Models explained briefly

  Nov 12, 2026 · 11:42

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• But what is a partial differential equation? | DE2

  Nov 12, 2026 · 23:23

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• What makes a great math explanation? | SoME2 results

  Nov 12, 2026 · 22:45

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• Why 5/3 is a fundamental constant for turbulence

  Nov 12, 2026 · 16:12

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• Visualizing the chain rule and product rule | Chapter 4, Essence of calculus

  Nov 12, 2026 · 21:40

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• Complex number fundamentals | Ep. 3 Lockdown live math

  Nov 12, 2026 · 1:29:55

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

  Nov 12, 2026 · 1:21:22

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• The topology of two-note chords

  Nov 12, 2026 · 4:47

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• Gradient descent, how neural networks learn | Deep Learning Chapter 2

  Nov 12, 2026 · 27:18

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• Convolutions | Why X+Y in probability is a beautiful mess

  Nov 12, 2026 · 35:09

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• Differential equations, a tourist's guide | DE1

  Nov 12, 2026 · 35:00

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• Who cares about topology? (Old version)

  Nov 12, 2026 · 22:14

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• Measuring the distance to Venus without radar

  Nov 12, 2026 · 5:05

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• Fractals are typically not self-similar

  Nov 12, 2026 · 26:39

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• Researchers thought this was a bug (Borwein integrals)

  Nov 12, 2026 · 23:10

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• Quaternions and 3d rotation, explained interactively

  Nov 12, 2026 · 8:43

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• What is Euler's formula actually saying? | Ep. 4 Lockdown live math

  Nov 12, 2026 · 59:00

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• Solution to the ladybug clock puzzle

  Nov 12, 2026 · 5:18

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• Essence of linear algebra preview

  Nov 12, 2026 · 7:53

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• Cross products | Chapter 10, Essence of linear algebra

  Nov 12, 2026 · 12:38

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• Cramer's rule, explained geometrically | Chapter 12, Essence of linear algebra

  Nov 12, 2026 · 16:56

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• But what is a neural network? | Deep learning chapter 1

  Nov 12, 2026 · 24:25

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• Terence Tao continuing history’s cleverest cosmological measurements

  Nov 12, 2026 · 33:19

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