1
The most beautiful formula not enough people understand
1:00:24
2026-02-27
2
Why you can't comb a hairy ball, and why we care
29:40
2026-01-31
3
Why Laplace transforms are so useful
23:05
2025-11-05
4
But what is a Laplace Transform?
34:41
2025-10-12
5
Exploration & Epiphany | Guest video by Paul Dancstep
52:12
2025-09-07
6
Simulating and understanding phase change | Guest video by Vilas Winstein
41:03
2025-08-28
7
The AI that solved IMO Geometry Problems | Guest video by @Aleph0
13:31
2025-08-17
8
But how do AI images and videos actually work? | Guest video by Welch Labs
37:20
2025-07-25
9
Where my explanation of Grover’s algorithm failed
16:23
2025-05-04
10
But what is quantum computing? (Grover's Algorithm)
36:54
2025-04-30
11
Why colliding blocks compute pi
26:07
2025-03-13
12
Terence Tao continuing history’s cleverest cosmological measurements
25:35
2025-02-23
13
Terence Tao on the cosmic distance ladder
28:33
2025-02-08
14
This open problem taught me what topology is
27:26
2024-12-24
15
Large Language Models explained briefly
7:58
2024-11-20
16
Solving problems by adding a dimension
29:42
2024-11-08
17
How are holograms possible?
46:24
2024-10-05
18
How might LLMs store facts | Deep Learning Chapter 7
22:43
2024-08-31
19
Attention in transformers, step-by-step | Deep Learning Chapter 6
26:10
2024-04-07
20
Transformers, the tech behind LLMs | Deep Learning Chapter 5
27:14
2024-04-01
21
Answering viewer questions about refraction
13:25
2023-12-03
22
But why would light "slow down"? | Visualizing Feynman's lecture on the refractive index
28:34
2023-11-30
23
How wiggling charges give rise to light
21:33
2023-09-01
24
This tests your understanding of light | The barber pole effect
9:57
2023-09-01
25
This pattern breaks, but for a good reason | Moser's circle problem
16:13
2023-07-02
26
Why π is in the normal distribution (beyond integral tricks)
24:46
2023-04-02
27
But what is the Central Limit Theorem?
31:15
2023-03-14
28
But what is a convolution?
23:01
2022-11-18
29
Researchers thought this was a bug (Borwein integrals)
17:26
2022-11-04
30
How to lie using visual proofs
18:49
2022-07-03
31
Olympiad level counting (Generating functions)
34:36
2022-05-23
32
A tale of two problem solvers | Average cube shadow area
40:06
2021-12-20
33
A quick trick for computing eigenvalues | Chapter 15, Essence of linear algebra
13:13
2021-05-07
34
Hamming codes part 2: The one-line implementation
16:50
2020-09-04
35
But what are Hamming codes? The origin of error correction
20:05
2020-09-04
36
Group theory, abstraction, and the 196,883-dimensional monster
21:58
2020-08-19
37
Why “probability of 0” does not mean “impossible” | Probabilities of probabilities, part 2
10:01
2020-04-12
38
Bayes theorem, the geometry of changing beliefs
15:11
2019-12-22
39
Why do prime numbers make these spirals? | Dirichlet’s theorem and pi approximations
22:21
2019-10-08
40
The unexpectedly hard windmill question (2011 IMO, P2)
16:03
2019-08-04
41
e^(iπ) in 3.14 minutes, using dynamics | DE5
4:08
2019-07-07
42
But what is a Fourier series? From heat flow to drawing with circles | DE4
24:47
2019-06-30
43
Solving the heat equation | DE3
14:13
2019-06-16
44
Differential equations, a tourist's guide | DE1
27:16
2019-03-31
45
Cramer's rule, explained geometrically | Chapter 12, Essence of linear algebra
12:12
2019-03-17
46
The most unexpected answer to a counting puzzle
5:13
2019-01-13
47
But why is a sphere's surface area four times its shadow?
15:51
2018-12-02
48
Visualizing the 4d numbers Quaternions
31:51
2018-09-06
49
Why slicing a cone gives an ellipse (beautiful proof)
12:52
2018-08-01
50
Divergence and curl: The language of Maxwell's equations, fluid flow, and more
15:42
2018-06-21
51
The other way to visualize derivatives | Chapter 12, Essence of calculus
14:26
2018-05-19
52
How pi was almost 6.283185...
5:53
2018-03-14
53
Why is pi here? And why is it squared? A geometric answer to the Basel problem
17:08
2018-03-02
54
But what is the Fourier Transform? A visual introduction.
19:42
2018-01-26
55
The hardest problem on the hardest test
11:15
2017-12-08
56
Backpropagation calculus | Deep Learning Chapter 4
10:18
2017-11-03
57
Backpropagation, intuitively | Deep Learning Chapter 3
12:47
2017-11-03
58
Gradient descent, how neural networks learn | Deep Learning Chapter 2
20:33
2017-10-16
59
But what is a neural network? | Deep learning chapter 1
18:40
2017-10-05
60
How secure is 256 bit security?
5:06
2017-07-08
61
But how does bitcoin actually work?
25:16
2017-07-07
62
Pi hiding in prime regularities
29:43
2017-05-19
63
Taylor series | Chapter 11, Essence of calculus
22:20
2017-05-07
64
Higher order derivatives | Chapter 10, Essence of calculus
5:39
2017-05-07
65
What does area have to do with slope? | Chapter 9, Essence of calculus
12:39
2017-05-06
66
Integration and the fundamental theorem of calculus | Chapter 8, Essence of calculus
20:46
2017-05-05
67
Limits, L'Hôpital's rule, and epsilon delta definitions | Chapter 7, Essence of calculus
18:27
2017-05-04
68
Implicit differentiation, what's going on here? | Chapter 6, Essence of calculus
15:34
2017-05-03
69
What's so special about Euler's number e? | Chapter 5, Essence of calculus
13:50
2017-05-02
70
Visualizing the chain rule and product rule | Chapter 4, Essence of calculus
15:56
2017-05-01
71
Derivative formulas through geometry | Chapter 3, Essence of calculus
17:34
2017-04-30
72
The paradox of the derivative | Chapter 2, Essence of calculus
16:50
2017-04-29
73
The essence of calculus
17:05
2017-04-28
74
Abstract vector spaces | Chapter 16, Essence of linear algebra
16:46
2016-09-24
75
Eigenvectors and eigenvalues | Chapter 14, Essence of linear algebra
17:16
2016-09-15
76
Change of basis | Chapter 13, Essence of linear algebra
12:51
2016-09-11
77
Cross products | Chapter 10, Essence of linear algebra
8:54
2016-09-01
78
Cross products in the light of linear transformations | Chapter 11, Essence of linear algebra
13:10
2016-09-01
79
Dot products and duality | Chapter 9, Essence of linear algebra
14:12
2016-08-24
80
Nonsquare matrices as transformations between dimensions | Chapter 8, Essence of linear algebra
4:27
2016-08-16
81
Inverse matrices, column space and null space | Chapter 7, Essence of linear algebra
12:09
2016-08-15
82
The determinant | Chapter 6, Essence of linear algebra
10:03
2016-08-10
83
Three-dimensional linear transformations | Chapter 5, Essence of linear algebra
4:46
2016-08-09
84
Matrix multiplication as composition | Chapter 4, Essence of linear algebra
10:04
2016-08-08
85
Linear transformations and matrices | Chapter 3, Essence of linear algebra
10:59
2016-08-07
86
Linear combinations, span, and basis vectors | Chapter 2, Essence of linear algebra
9:59
2016-08-06
87
Vectors | Chapter 1, Essence of linear algebra
9:52
2016-08-06