Numberphile

13:00

The Moving Sofa Problem – Numberphile

Science · March 23, 2017

1 111 350

41

11:30

Science · June 15, 2017

319 750

42

07:33

Equally sharing a cake between three people – Numberphile

Science · September 26, 2017

643 675

43

05:54

Ham Sandwich Problem – Numberphile

Science · December 15, 2017

486 900

44

12:29

Combinatorics and Higher Dimensions – Numberphile

Science · April 5, 2018

160 550

45

07:37

The Six Triperfect Numbers – Numberphile

Science · June 29, 2018

168 575

46

10:38

Every Number is the Sum of Three Palindromes – Numberphile

Science · September 17, 2018

265 250

47

06:13

The Trapped Knight – Numberphile

Science · January 24, 2019

434 175

48

18:49

EVERY baby is a ROYAL baby – Numberphile

Science · May 6, 2019

409 900

49

10:44

The Girl with the Hyperbolic Helicoid Tattoo – Numberphile

Science · September 29, 2019

131 225

50

19:01

A New Discovery about Dodecahedrons – Numberphile

Science · January 14, 2020

593 000

51

09:53

How to Fill a Klein Bottle – Numberphile

Science · March 1, 2020

129 200

52

15:27

Euler Squares – Numberphile

Science · May 8, 2020

92 450

53

Colouring Knots – Numberphile

Science · October 11, 2020

54

A proof that e is irrational – Numberphile

Science · January 24, 2021

55

The Volume of a Sphere – Numberphile

Science · June 20, 2021

56

Music on a Clear Möbius Strip – Numberphile

Science · October 17, 2021

57

The Parker Square

Science · January 20, 2022

58

How do fish swim so quickly?

Science · March 30, 2022

59

The Nescafé Equation (43 coffee beans) – Numberphile

Science · August 13, 2022

60

Card Memorisation (using numbers) – Numberphile

Science · January 8, 2023

61

The Parker Paper (a lost treasure) – Numberphile

Science · June 7, 2024

62

Voting Paradoxes – Numberphile

Science · October 28, 2024

63

07:50

Astounding: 1 + 2 + 3 + 4 + 5 + … = -1/12

Science · January 9, 2014

6 310 200

64

18:31

Domino Addition – Numberphile

Science · April 4, 2014

837 125

65

05:09

The Scientific Way to Cut a Cake

Science · June 17, 2014

15 592 400

66

08:37

Stable Marriage Problem – Numberphile

Science · September 4, 2014

780 725

67

07:43

How to Trisect an Angle with Origami – Numberphile

Science · December 12, 2014

396 700

68

09:55

58 and other Confusing Numbers – Numberphile

Science · March 6, 2015

1 401 975

69

12:58

Embedding a Torus (John Nash) – Numberphile

Science · May 31, 2015

489 300

70

10:52

What is a Knot? – Numberphile

Science · August 3, 2015

415 850

71

09:11

The Shape of DNA – Numberphile

Science · October 26, 2015

196 375

72

12:32

How they found the World’s Biggest Prime Number – Numberphile

Science · January 21, 2016

1 305 825

73

11:45

Partitions – Numberphile

Science · April 28, 2016

634 500

74

05:27

Speed Solve of a Rubik’s Cube in Slow Motion – Numberphile

Science · July 10, 2016

427 750

75

06:34

The Most Powerful Dice – Numberphile

Science · September 20, 2016

509 325

76

24:10

Sandpiles – Numberphile

Science · January 13, 2017

374 550

77

06:18

Collatz Conjecture in Color – Numberphile

Science · March 28, 2017

332 600

78

03:38

A Quick Cake Conundrum – Numberphile

Science · June 18, 2017

250 975

79

24:59

Juggling by Numbers – Numberphile

Science · September 29, 2017

228 925

80