# We ran a contest for math explainers, here are the results (SoME2)

From 3Blue1Brown.

Winners and honorable mentions for the SoME2 contest
Help fund future projects: https://www.patreon.com/3blue1brown

Post with links to all entries:
https://www.3blue1brown.com/blog/some2

**Winners**

Clear Crystal Conundrums, A Multifaceted Intro to Group Theory
https://explanaria.github.io/crystalgroups/

The Lore of Calculus
https://youtu.be/5M2RWtD4EzI

How Realistic CGI Works (And How To Do It Way Faster)

Percolation: a Mathematical Phase Transition
https://youtu.be/a-767WnbaCQ

The Coolest Hat Puzzle
https://youtu.be/6hVPNONm7xw

**Honorable mentions**

How to Take the Factorial of Any Number

How are memories stored in neural networks?
https://youtu.be/piF6D6CQxUw

The shapes of waves of ships and ducks

Differentiable Programming from Scratch
https://thenumb.at/Autodiff/

Researchers Use Group Theory to Speed Up Algorithms — Introduction to Groups

Pleasing Panoramas and Matrix Multiplication
http://xperimex.com/blog/panorama-homography/

A Tale of Tangent Spheres
https://youtu.be/zR_hpai3XkY

Why there are no perfect maps (and why we eat pizza the way we do)

What Lies Between a Function and Its Derivative?
https://youtu.be/2dwQUUDt5Is

1 Billion is Tiny in an Alternate Universe: Introduction to p-adic Numbers
https://youtu.be/3gyHKCDq1YA

The Mathematical Problem with Music, and How to Solve It

A Curious Track, or What Bikes Are Hiding From Us
https://youtu.be/l7bYY2U5ld8

An Inverse Turing Test
https://calmcode.io/blog/inverse-turing-test.html

What A General Diagonal Argument Looks Like (Category Theory)
https://youtu.be/dwNxVpbEVcc

Why the Circle encloses the Largest Area | Explained using Hill Climbing
https://youtu.be/CFBa2ezTQJQ

The Amazing Math behind Colors!

An Interactive Guide for Bézier Curves
https://www.summbit.com/blog/bezier-curve-guide/

Does Every Game Have a Winner
https://almostsurelymath.blog/2022/07/28/does-every-game-have-a-winner/

A Finite Game of Infinite Rounds
https://youtu.be/LUCvSsx6-EU

Numberphile’s Square-Sum Problem was solved!

Timestamps:
0:00 – The rising tide
2:08 – Choosing winners
2:54 – Motivation (macro)
8:09 – Motivation (micro)
10:55 – Clarity
12:57 – Novelty
14:26 – Memorability
15:07 – Winners

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These animations are largely made using a custom python library, manim. See the FAQ comments here:
https://www.3blue1brown.com/faq#manim
https://github.com/3b1b/manim
https://github.com/ManimCommunity/manim/

You can find code for specific videos and projects here:
https://github.com/3b1b/videos/

Music by Vincent Rubinetti.
https://www.vincentrubinetti.com/

https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown

Stream the music on Spotify:
https://open.spotify.com/album/1dVyjwS8FBqXhRunaG5W5u

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3blue1brown is a channel about animating math, in all senses of the word animate. And you know the drill with YouTube, if you want to stay posted on new videos, subscribe: http://3b1b.co/subscribe

Various social media stuffs:
Website: https://www.3blue1brown.com
Reddit: https://www.reddit.com/r/3blue1brown
Instagram: https://www.instagram.com/3blue1brown
Patreon: https://patreon.com/3blue1brown