Recreational & Visual Math Videos Hacker News Recommends — Page 2

demo#1056

SmoothLifeL

Tim Hutton

“Must see evolution of GOL”

4 HN recommenders · 2012–2022

explainer#1101

But what are Hamming codes? The origin of error correction

3Blue1Brown

“I would strongly recommend anyone interested in the topic to check out any of these videos”

4 HN recommenders · 2020–2023

explainer#1120

How Imaginary Numbers Were Invented

Veritasium

“I also highly recommend Veritasium's video[1] as an excellent explainer as well, especially regarding the roots of imaginary/complex numbers in geometry.”

7 HN recommenders · 2021–2023

explainer#1124

Infinity is bigger than you think - Numberphile

Numberphile

“Numberphile did a pretty good introductory video to this if you want to learn more”

3 HN recommenders · 2014–2022

explainer#1144

The medical test paradox, and redesigning Bayes' rule

3Blue1Brown

“is a brilliant introduction to the concept”

4 HN recommenders · 2020–2025

explainer#1167

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

3Blue1Brown

“3blue1brown explains it better than I could”

4 HN recommenders · 2020–2021

talk#1194

Four Dimensional Maths: Things to See and Hear in the Fourth Dimension - with Matt Parker

The Royal Institution

“I love Matt Parker's take on the fourth dimension”

3 HN recommenders · 2017–2022

explainer#1200

Fantastic Quaternions - Numberphile

Numberphile

“Numberphile's explanation of Quaternions is the simplest I have seen so far”

3 HN recommenders · 2016–2018

explainer#1288

Pi hiding in prime regularities

3Blue1Brown

“This is a really beautiful proof that connects complex numbers and primes to derive a formula for calculating pi.”

3 HN recommenders · 2017–2019

explainer#1316

Flaw in the Enigma Code - Numberphile

Numberphile

“Numberphile gives a nice, succinct explanation”

4 HN recommenders · 2013–2025

explainer#1328

Graham's Number - Numberphile

Numberphile

“It's a pretty interesting video for seeing how quickly the numbers get unimaginably massive.”

4 HN recommenders · 2013–2024

explainer#1333

Numberphile v. Math: the truth about 1+2+3+...=-1/12

Mathologer

“Mathologer did a fairly in-depth video[1] into why this proof is wrong”

4 HN recommenders · 2020–2023

explainer#1358

The Zipf Mystery

Vsauce

“It's actually a very deep question, called the Zipf mystery”

4 HN recommenders · 2018–2024

explainer#1416

Anagrams, but where you can break apart letters: "Anagraphs"

suckerpinch

“Definitely give it a watch.”

3 HN recommenders · 2020–2023

explainer#1417

Times Tables, Mandelbrot and the Heart of Mathematics

Mathologer

“This YouTube video explains the algo behind what you're seeing.”

4 HN recommenders · 2017–2023

explainer#1430

Randomness is Random - Numberphile

Numberphile

“Here's a great video demonstrating how people tend to misunderstand randomness”

4 HN recommenders · 2019–2022

explainer#1574

How are holograms possible?

3Blue1Brown

“this might be one of my most favorite videos ever single-handedly changing my understanding of holograms”

3 HN recommenders · 2024–2025

lecture#1581

Math Encounters -- Five Balls, Two Hands: The Patterns of Juggling -- Colin Wright (Presentation)

National Museum of Mathematics

“my fondness for this video that uses juggling to good effect to teach math in an entertaining way”

3 HN recommenders · 2017–2026

talk#1605

New Horizons in Music: Polyrhythms | Loop

Ableton

“Highly recommend Adam's channel if you're interested in music/music theory.”

3 HN recommenders · 2018–2023

explainer#1650

How secure is 256 bit security?

3Blue1Brown

“To comprehend how large a search space this is watch 3Blue1Brown's explanation”

2 HN recommenders · 2020–2023

lecture#1670

Cosmos - Carl Sagan - 4th Dimension

carlsagandotcom

“brilliantly exemplified by Carl Sagan in this popular video”

3 HN recommenders · 2014–2025

explainer#1688

HACKENBUSH: a window to a new world of math

Owen Maitzen

“I found the following video extremely useful and well-visualized”

3 HN recommenders · 2022–2025

lecture#1711

1. A strange determinant

Timothy Gowers

“Gowers has one of my favourite video series about how he approaches a problem he is unfamiliar with”

3 HN recommenders · 2022–2026

explainer#1720

Pi and the Mandelbrot Set - Numberphile

Numberphile

“My absolute favorite numberphile video is how pi occurs in a peculiar way with Riemann Zeta/Mandelbrot.”

3 HN recommenders · 2017–2019

explainer#1788

Euler's formula with introductory group theory

3Blue1Brown

“check out the one he did on Euler's formula[1]. Blew my mind.”

3 HN recommenders · 2017–2024

demo#1821

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

3Blue1Brown

“I want to highlight the demo video [0], where Grant explains how he works with Manim.”

3 HN recommenders · 2024–2026

explainer#1896

Why It's Impossible to Tune a Piano

minutephysics

“minutephysics had a nice video about the mathematics that go behind piano tuning too.”

2 HN recommenders · 2015–2026

explainer#1940

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

Tom Scott

“Tom Scott has a great video on it”

3 HN recommenders · 2021–2026

interview#1961

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

Numberphile

“It gives a lot of insight and anectdotes in addition to the central theorem”

3 HN recommenders · 2015–2026

explainer#1979

Infinite fractions and the most irrational number

Mathologer

“Pretty good Mathologer video about continued fractions”

3 HN recommenders · 2019–2026

explainer#2072

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

Stand-up Maths

“Matt Parker from Standup Maths made a great video on exactly this subject”

3 HN recommenders · 2020–2023

demo#2079

Ptolemy and Homer (Simpson)

Santiago Ginnobili

“This is my favourite visualisation of this fact”

3 HN recommenders · 2013–2022

explainer#2134

Terence Tao on the cosmic distance ladder

3Blue1Brown

“For details, watch the video, it is really good.”

2 HN recommenders · 2025–2026

explainer#2182

How Many Holes Does a Human Have?

Vsauce

“If you'd like a fun, light, video introduction to this topic, this Vsauce video is worth a watch”

3 HN recommenders · 2021–2024

talk#2204

Category Theory in Life - Eugenia Cheng

Lambda World

“To get a flavor of and gentle introduction to the analogy-making power of category theory, I recommend this talk by Eugenia Cheng”

3 HN recommenders · 2019–2022

explainer#2263

A4 Paper Is Too Perfect

CGP Grey

“the most psychedelic experience one can have without doing drugs”

2 HN recommenders · 2024–2026

explainer#2322

Reynolds Number - Numberphile

Numberphile

“I think this is a good lay-person's introduction to basis of Kolmogorov's length scale, specifically the Reynold's number”

3 HN recommenders · 2019–2021

explainer#2337

Spherical Geometry Is Stranger Than Hyperbolic - Hyperbolica Devlog #2

CodeParade

“One of the better ones, in my opinion, because it has "normal" objects in it”

3 HN recommenders · 2021–2026

explainer#2444

Bayes theorem, the geometry of changing beliefs

3Blue1Brown

“There's a very cool 3Blue1Brown video [0] that helps give you an intuitive feel for Bayes Theorem.”

2 HN recommenders · 2022–2024

explainer#2573

Why is this number everywhere?

Veritasium

“humans are fairly predictable when trying to come up with random numbers, for example, have a look at this Veritasium video”

2 HN recommenders · 2024–2026

interview#2623

Surreal Numbers (writing the first book) - Numberphile

Numberphile

“This interview is excellent”

3 HN recommenders · 2016–2022

explainer#2675

Extremely Large Numbers 1 - Introduction

Giroux Studios

“I would also recommend Giroux Studios' 'Extremely Large Numbers'[1]”

2 HN recommenders · 2016–2022

explainer#2676

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

Numberphile

“Watch this entertaining Numberphile video about this topic”

3 HN recommenders · 2014–2023

tutorial#2705

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

Mathologer

“This 15 minute video is a pretty accessible explanation of a technique for solving Rubik's-type puzzles”

3 HN recommenders · 2019–2022

talk#2810

What Happens When Maths Goes Wrong? - with Matt Parker

The Royal Institution

“It also comes with an entirely different set of interesting stories for anyone inclined to listen”

2 HN recommenders · 2020–2024

explainer#3062

Math Magic

Vsauce

“Vsauce has a fantastic animation of this too”

2 HN recommenders · 2016–2024

explainer#3093

MENACE: the pile of matchboxes which can learn

Stand-up Maths

“an amazing way to teach kids about this.”

2 HN recommenders · 2018–2026

comedy#3126

Stand-up comedy routine about Spreadsheets

Stand-up Maths

“you should probably see this Matt Parker video about excel being used in ways it shouldn't maybe?”

2 HN recommenders · 2018–2025