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Recreational & visual math Videos Recommended on Hacker News (141)

Recreational & visual math is one of the 150 topics Hacker News readers organize their video recommendations around. These 141 videos each earned real recommendations in real HN threads between 2010 and 2026 — 552 recommendations in total — and they're ranked by how many separate months the community kept coming back to them, not by view count.

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

Why HN keeps sending people here — on Vectors | Chapter 1, Essence of linear algebra: “the most welcoming and informative introduction to the topic I've ever seen” — an HN commenter, 2018.

3 mo on HN

Recreational & visual math Videos Recommended on Hacker News (141)

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Euler's formula with introductory group theory

How I animate 3Blue1Brown | A Manim demo with Ben Sparks

Why It's Impossible to Tune a Piano

A Million Dollars vs A Billion Dollars, Visualized: A Road Trip

The Best (and Worst) Ways to Shuffle Cards - Numberphile

Infinite fractions and the most irrational number

Does "land area" assume a country is perfectly flat?

Ptolemy and Homer (Simpson)

Terence Tao on the cosmic distance ladder

How Many Holes Does a Human Have?

Category Theory in Life - Eugenia Cheng

A4 Paper Is Too Perfect

Reynolds Number - Numberphile

Spherical Geometry Is Stranger Than Hyperbolic - Hyperbolica Devlog #2

Bayes theorem, the geometry of changing beliefs

Why is this number everywhere?

Surreal Numbers (writing the first book) - Numberphile

Extremely Large Numbers 1 - Introduction

ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12

A simple trick to design your own solutions for Rubik's cubes

What Happens When Maths Goes Wrong? - with Matt Parker

Math Magic

MENACE: the pile of matchboxes which can learn

Stand-up comedy routine about Spreadsheets

Sloane's Gap - Numberphile

Do these scatter plots reveal fraudulent vote-switching in Michigan?

How We Should Vote (Range Voting)

Why do Biden's votes not follow Benford's Law?

Strange Spheres in Higher Dimensions - Numberphile

Clutching at Random Straws, Matt Parker | LMS Popular Lectures 2010

Backpropagation calculus | Deep Learning Chapter 4

Pentagons Are Terrible at One Thing

The Josephus Problem - Numberphile

Solving Wordle using information theory

An astonishing old calculator - Numberphile

5040 and other Anti-Prime Numbers - Numberphile