Why is pi here? And why is it squared? A geometric answer to the Basel problem Published 2018-03-02 Download video MP4 360p Recommendations 26:38 The Wallis product for pi, proved geometrically 18:16 Who cares about topology? (Inscribed rectangle problem) 17:26 Researchers thought this was a bug (Borwein integrals) 15:51 But why is a sphere's surface area four times its shadow? 18:39 The Bizarre Shape Of The Universe 11:35 There Is Something Hiding Inside Earth 21:58 Group theory, abstraction, and the 196,883-dimensional monster 21:36 Fractals are typically not self-similar 17:22 A Proof That The Square Root of Two Is Irrational 18:49 How to lie using visual proofs 10:45 The Man Who Solved the $1 Million Math Problem...Then Disappeared 04:25 Spiral of Theodorus 30:42 Pi hiding in prime regularities 19:42 Space-Time: The Biggest Problem in Physics 26:57 The most beautiful equation in math, explained visually [Euler’s Formula] 35:13 I used to hate QR codes. But they're actually genius 22:38 How To Catch A Cheater With Math 15:42 Divergence and curl: The language of Maxwell's equations, fluid flow, and more 15:11 Bayes theorem, the geometry of changing beliefs 17:24 The unexpected probability result confusing everyone Similar videos 03:57 If I did this in 1734 I'd be World Famous 09:59 Cauchy's Proof of the Basel Problem | Pi Squared Over Six (3blue1brown SoME1 Entry) 03:05 Euler's Solution to the Basel Problem 58:32 The Basel Problem Part 2: Euler's Proof and the Riemann Hypothesis 17:52 An easy solution to the Basel problem 59:07 The Basel Problem Part 1: Euler-Maclaurin Approximation 13:29 The 'linear' Basel Problem || SoME2 08:41 The Basel Problem (1 of 9: Prologue) 10:05 An Elementary Answer to the Basel Problem 13:37 Apostol's Solution to the Basel Problem 12:56 The Basel problem 00:56 Summing Squares Geometrically 13:43 Basel Problem 1 Introduction 15:08 What does it feel like to invent math? 14:29 WHY are we finding pi HERE? More results