3Blue1Brown

  • Rank #
  • Premiered: Mar 2015
  • Episodes: 125
  • Followers: 0
  • Running
  • YouTube
  • Unknown
  • Documentary

You need to be logged in to mark episodes as watched. Log in or sign up.

Season 2015
2015x1
e to the pi i, a nontraditional take (old version)
Episode overview
Air date
Mar 04, 2015
The enigmatic equation e^{pi i} = -1 is usually explained using Taylor's formula during a calculus class. This video offers a different perspective, which involves thinking about numbers .. show full overview
2015x3
Circle Division Solution
Episode overview
Air date
May 23, 2015
An explanation of a neat circle puzzle involving combinatorics, graphs, Euler's characteristic formula and pascal's triangle.
2015x4
Euler's Formula and Graph Duality
Episode overview
Air date
Jun 20, 2015
A description of planar graph duality, and how it can be applied in a particularly elegant proof of Euler's Characteristic Formula.
2015x5
What does it feel like to invent math?
Episode overview
Air date
Aug 13, 2015
An exploration of infinite sums, from convergent to divergent, including a brief introduction to the 2-adic metric, all themed on that cycle between discovery and invention in math.
2015x6
How to count to 1000 on two hands
Episode overview
Air date
Sep 18, 2015
Typically when we think of counting on two hands, we count up to 10, but fingers can contain much more information than that! This video shows how to think about counting in binary.
2015x7 Season finale
Music And Measure Theory
Episode overview
Air date
Oct 03, 2015
A connection between a classical puzzle about rational numbers and what makes music harmonious.
2015x2
A Curious Pattern Indeed
Episode overview
Air date
Nov 04, 2015
A teaser for some future videos regarding a pattern which lures an unsuspecting doodler into thinking it will be powers of two.

If there are missing episodes or banners (and they exist on TheTVDB) you can request an automatic full show update:

Request show update