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Recreational & visual math

Math explainers and recreation: 3Blue1Brown, Numberphile, Mathologer, puzzles, fractals, surreal numbers, math history, mathematicians, beautiful proofs, math in everyday life.

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Vectors | Chapter 1, Essence of linear algebra

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The Beauty of Bézier Curves

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The Continuity of Splines

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The essence of calculus

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The man with 1,000 Klein Bottles UNDER his house - Numberphile

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Essence of linear algebra preview

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A Swift Introduction to Geometric Algebra

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The hardest problem on the hardest test

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Imaginary Numbers Are Real [Part 1: Introduction]

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The determinant | Chapter 6, Essence of linear algebra

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Math's Fundamental Flaw

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Fractals are typically not self-similar

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The Banach–Tarski Paradox

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Thinking outside the 10-dimensional box

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Eigenvectors and eigenvalues | Chapter 14, Essence of linear algebra

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Life in life

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All the Numbers - Numberphile

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How Big is Graham's Number? (feat Ron Graham)

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The more general uncertainty principle, regarding Fourier transforms

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Visualizing the 4d numbers Quaternions

5.6M views · 6 HN recommenders · 2018–2023

Do Chairs Exist?

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Why can't you multiply vectors?

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Ramanujan: Making sense of 1+2+3+... = -1/12 and Co.

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Stanford Lecture: Don Knuth—"A Conjecture That Had To Be True" (2017)

Stanford Online

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What does it feel like to invent math?

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P vs. NP and the Computational Complexity Zoo

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Simulating an epidemic

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But what is the Riemann zeta function? Visualizing analytic continuation

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Who cares about topology? (Old version)

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

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How To Count Past Infinity

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