Numberphile

Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Jan 16

Jan 16 Knight's Tour

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

Jan 9

Jan 9 ASTOUNDING: 1 + 2 + 3 + 4 + 5 + ... = -1/12

Tony Padilla, Ed Copeland

Pi is Beautiful

Jan 3

Jan 3 Pi is Beautiful

James Grime, Pi

Calculator Unboxing #2 (Casio fx)

Dec 26

Dec 26 Calculator Unboxing #2 (Casio fx)

Matt Parker, Calculators, Unboxings

Calculator Unboxing #3 (Casio Watch)

Dec 26

Dec 26 Calculator Unboxing #3 (Casio Watch)

Matt Parker, Calculators, Unboxings

NSA Surveillance (an extra bit)

Dec 23

Dec 23 NSA Surveillance (an extra bit)

Edward Frenkel, Encryption

How did the NSA hack our emails?

Dec 22

Dec 22 How did the NSA hack our emails?

Edward Frenkel, Encryption

More about Pebbling a Chessboard

Dec 20

Dec 20 More about Pebbling a Chessboard

Zvezdelina Stankova, Chess, Problems

Pebbling a Chessboard

Dec 19

Dec 19 Pebbling a Chessboard

Zvezdelina Stankova, Chess, Problems

Dec 1

Dec 1 Connect Four

Nov 27

Nov 27 87,539,319

Shapes and Solids of Constant Width

Nov 11

Nov 11 Shapes and Solids of Constant Width

Pi and Four Fingers

Oct 31

Oct 31 Pi and Four Fingers

Simon Singh, Pi

Oct 27

Oct 27 Cyclic Numbers

Tony Padilla, Prime Numbers

Oct 15

Oct 15 Sloane's Gap

James Grime, Sequences

Calculator Unboxing #1

Oct 6

Oct 6 Calculator Unboxing #1

Matt Parker, Calculators, Unboxings

Politics and Numbers

Oct 1

Oct 1 Politics and Numbers

James Grime, Research

Homer Simpson vs Pierre de Fermat

Sep 29

Sep 29 Homer Simpson vs Pierre de Fermat

Simon Singh, Fermat